Is hydrogen a metal or nonmetal on the periodic table?
Hydrogen is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. Because hydrogen is a nonmetal and forms H- (hydride anions), it is sometimes placed above the halogens in the periodic table. Hydrogen also forms H2 dihydrogen like halogens. What is the position of hydrogen in the periodic table?
What is the strongest element on the periodic table?
- Steels (alloys that include carbon and maraging steels)
- Inconel (an alloy)
- Tungsten
- Titanium
- Chromium
What is propane on the periodic table?
propane, a colourless, easily liquefied, gaseous hydrocarbon (compound of carbon and hydrogen), the third member of the paraffin series following methane and ethane. The chemical formula for propane is C3H8.
What is the carbon group on the periodic table?
carbon group element, any of the six chemical elements that make up Group 14 (IVa) of the periodic table—namely, carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl).
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What is special about hydrogen on the periodic table?
Hydrogen is the first element of the periodic table as its atomic number is one, which means it has only one electron in its atom and thus only one electron is present in its outermost shell.
Is hydrogen a gas or metal?
Hydrogen is a colorless, odorless and tasteless gas that is the most abundant element in the known universe. It is also the lightest (in terms of atomic mass) and the simplest, having only one proton and one electron (and no neutrons in its most common isotope).
Is hydrogen a nonmetal or metal?
Answer: Because hydrogen has the same ns1 electron configuration as the alkali metals, hydrogen is classified as a non-metal and is positioned above group in the periodic chart. It differs from the other alkali metals in that it creates cations (H+) more reluctantly than the others.
Is hydrogen H or H2?
Hydrogen is the lightest and simplest element with the symbol H. It consists of only one electron and one proton and, under normal conditions, it exists primarily in its diatomic form as molecular hydrogen (H2 gas).
What is hydrogen made of?
Hydrogen can be produced from a variety of domestic resources, such as natural gas, nuclear power, biomass, and renewable power like solar and wind. These qualities make it an attractive fuel option for transportation and electricity generation applications.
What is hydrogen made up of?
A molecule of hydrogen is the simplest possible molecule. It consists of two protons and two electrons held together by electrostatic forces.
Does hydrogen have metal?
While hydrogen is typically a gas on Earth, it can be artificially compressed and cooled to become a liquid or a solid. Even in these states, hydrogen remains a non-metal — its atoms hold on to their electrons tightly, so hydrogen conducts heat and electricity poorly.
Can hydrogen become a metal?
At cryogenic temperatures, hydrogen is a liquid. As the pressure rises, the liquid quickly becomes a nonmetallic solid (see diagram, left). In 1935, Princeton University physicists Eugene Wigner and Hillard Bell Huntington predicted that beyond 25 GPa, the nonconductive solid hydrogen would become metallic.
Is hydrogen a gas?
Hydrogen is the lightest element. Hydrogen is a gas at normal temperature and pressure, but hydrogen condenses to a liquid at minus 423 degrees Fahrenheit (minus 253 degrees Celsius).
What is H2 called?
Hydrogen: Hydrogen, H2, is an elemental gas with an atomic mass of 1.00794. This diatomic molecule is the lightest and most abundant element in the universe. It is also colorless, odorless, and highly flammable. Hydrogen; Hydrogen, H2, is the most abundant element in the universe.
What H2 means?
H2, the chemical formula for hydrogen gas (dihydrogen) Deuterium (Hydrogen-2, H-2, 2H), the isotope of hydrogen with one proton, one neutron, and one electron.
Why do we write hydrogen as H2 instead of H?
Thus, hydrogen is H2 instead of H, as atomic hydrogen is highly unstable and Do not exist in normal conditions.
Is hydrogen a metal?
While hydrogen is typically a gas on Earth, it can be artificially compressed and cooled to become a liquid or a solid. Even in these states, hydrogen remains a non-metal — its atoms hold on to their electrons tightly, so hydrogen conducts heat and electricity poorly.
Is hydrogen a gas?
Hydrogen is the lightest element. Hydrogen is a gas at normal temperature and pressure, but hydrogen condenses to a liquid at minus 423 degrees Fahrenheit (minus 253 degrees Celsius).
Is hydrogen always a gas?
Hydrogen (symbolized H) is one of the elements. Its atomic number is 1 and it is a colorless, tasteless, odorless nonmetallic gas. Hydrogen is highly flammable and is the lightest of all the elements. Hydrogen, or H2, is an elemental gas present in a trace amount in earth s atmosphere.
Which gas is metal?
There are no metals as of now that are known to have gaseous phase at room temperatures. All metals are solid in room temperature except for mercury, which is liquid.
1. What is Special About Hydrogen?
Hydrogen is defined as the most abundant and simplest element in the universe. It consists of a single proton and electron. Liquid hydrogen can be...
2. Explain whether Hydrogen is gas or metal?
Hydrogen is the compound, which is most often classified as a nonmetal because it has several properties of nonmetal. For example, at room temperat...
3. Where is the Hydrogen molecule commonly used?
Hydrogen is used in the glass industry to make flat glass sheets as a protective atmosphere. It can also be used as a flushing gas in the electroni...
4. Give Two Chemical Properties of Oxygen?
Two element atoms bind to produce di-oxygen at the Standard Temperature and Pressure (STP), an odourless, colourless, tasteless diatomic gas having...
5. What are the Isotopes of Hydrogen and how do they differ from Hydrogen?
There are in total three isotopes of hydrogen which can be provided as follows:HydrogenDeuteriumTritiumThese are called to be isotopes as they have...
6. Can Hydrogen react with all elements in the periodic table or is it limited to only specific elem...
Hydrogen is a nonmetal that can easily react with a lot of elements and it also can form covalent bonds with a lot of elements. The reaction with v...
7. How is Hydrogen similar to Alkali Metals?
The similarities of hydrogen to metals can be provided as follows:Electronic configuration: Like all the other elements Hydrogen will consist of on...
8. How is Hydrogen different from a halogen?
The differences between halogens can be provided as follows:Structure of atom:Hydrogen will consist of only one electron in its outer shell while t...
9. What are some of the applications of Hydrogen in Chemistry?
The majority of hydrogen that has been industrially produced is used in Haber’s process to manufacture ammonia. It is also widely used in the produ...
Why is the position of hydrogen uncertain on the periodic table?
The position of hydrogen is uncertain in the periodic table because some of the properties of hydrogen resemble that of the elements of the alkali...
Is the position of hydrogen fixed in The modern periodic table?
No, the position of hydrogen is not fixed due to the resemblance of hydrogen with alkali metals and halogens.
What's the position of hydrogen in the periodic table on the basis of its electronic configuration?
Hydrogen is the very first element of the periodic table and is also called protium. Its electronic configuration is ([1{{rm{s}}^1}].) Due to the p...
Why is hydrogen called a rogue element?
Hydrogen is called a rogue element because until now, hydrogen's position is not satisfactory.
Why is hydrogen a special element?
Hydrogen is a special element because it can easily form compounds in either the ( + 1,{rm{or}}, - 1) oxidation states, where it can act like a met...
Why is the position of hydrogen in the periodic table controversial?
The position of hydrogen in the periodic table is controversial because of its resemblance with alkali metals and halogens.
Where is hydrogen on the periodic table?
Generally, in the periodic table, Hydrogen does not have a fixed position. In a few tables, it is placed with alkali metals (which is above Sodium), and in few others, it is lonely placed at the top (Randomly, Just above the first Period).
Why is hydrogen the first element on the periodic table?
Hydrogen is defined as the first element of the periodic table because its atomic number is 1, which means it contains only one single electron in its atom. Therefore only 1 electron is available in its outermost shell. The elements' placement in the periodic table is according to their electronic configuration.
How many valence electrons does hydrogen have?
Hydrogen holds one valence electron in its outermost shell, and therefore it contains similar chemical properties compared to alkali metals. Also, hydrogen exists as a diatomic molecule similar to halogens and produces compounds with both metals and nonmetals. Thus, the hydrogen molecule can be placed in both the 1st as well as ...
What happens when a hydrogen atom loses an electron and produces a cation?
When a hydrogen atom loses an electron and produces a cation, it resembles the alkali metals whereas, when it gains an electron and becomes a uni-negative ion, it represents similarity to the halogens. By taking a look at these properties, the position of hydrogen in the periodic table is the major question.
What is the structure of hydrogen?
Structure of Hydrogen. The structure of hydrogen is similar to that of alkali metals (ns1), which contains one electron in their outermost shell. Also, it can attain helium noble gas configuration by accepting an electron. This character is mostly the same as that of the halogen family (ns2, np5), and is also short of one electron for ...
How many kJ mol-1 is lithium?
For example, ΔiH of lithium is given as 520 kJ mol-1, hydrogen is given as 1312 kJ mol-1, and for fluorine, it is given as 1680 kJ mol-1. It also exists as a diatomic molecule similar to that of halogens (for example, chlorine Cl2); a single hydrogen bond exists when the H2 molecule is formed. Though hydrogen atoms exhibit a lot ...
What is hydrogen used for?
Answer: Hydrogen is used in the glass industry to make flat glass sheets as a protective atmosphere. It can also be used as a flushing gas in the electronics sector while manufacturing silicon chips. And, the density with low hydrogen made it a natural choice for one of its first practical applications, which is filling airships and balloons.
Where is hydrogen in the periodic table?
Hydrogen element is in group 1 and period 1 of the Periodic table. Hydrogen is placed along with the alkali metals group as it has the similar outer electron configuration as that of the group 1 elements (i.e ns1).
Why is hydrogen in the 1st group?
Apart from having similar properties as that of group 1 and group 17 elements, hydrogen element is placed in 1st group because it has similar outermost electron configuration as that of alkali metals (i.e ns1).
Why is hydrogen gas used in balloons?
Hence due to its light-weight, it always moves upward in the atmosphere. Because of the light weight of hydrogen gas, it is also used in party balloons.
What is the mass of an atom?
Explanation: The mass of an atom completely depends on the number of protons and number of neutrons present in the nucleus of an atom. Protons and neutrons are the heavy particles in an atom. The mass of protons and neutrons is the same and it is 1.6749 × 10 -27 kg.
How much hydrogen is in the air?
There is around 0.000055 % of hydrogen in the air.
How many electrons are in a hydrogen atom?
Now in the Hydrogen atom, there is only one proton and only one electron.
Which configuration of an atom should be used for stability?
The atom should have duplet or octet configuration for its stability.
Why is the position of hydrogen uncertain on the periodic table?
Why is the position of hydrogen uncertain on the periodic table?#N#Ans: The position of hydrogen is uncertain in the periodic table because some of the properties of hydrogen resemble that of the elements of the alkali metals, and some of the properties of hydrogen resemble that of halogens.
What type of compounds does hydrogen combine with?
Like halogens, hydrogen combines with non-metals like C, S i, G e, etc., to form the similar type of covalent compounds.
How do hydrogen and alkali metals form monopositive ions?
Both hydrogen and alkali metals can easilyform mono-positive ions by losing their single valence electron.
What is the name of the compound that combines with alkali and alkaline earth metals to form?
Hydrogen combines with alkali and alkaline earth metals to form hydrides which are similar to the corresponding compounds of halogens known as halides. For example, N a H, and N a C l, C a H 2 and C a C l 2 etc.
How many electrons does a halogen atom need?
Halogen atoms possess seven electrons in their valence shells and need only one electron to attain a stable configuration similar to those of noble gases. Similarly, the hydrogen atom also needs one electron to attain a stable configuration.
Which metals have an electronic configuration of the type n s?
Both hydrogen and alkali metals possess electronic configuration of the type n s 1.
Which element is in group 1?
Hydrogen is an element that possesses unique properties. It has one electron in its valence shell similar to alkali metals and resembles them in several properties. Therefore, it should be placed in group 1 along with the alkali metals. On the other hand, like halogens of group 17, only one electron needs to attain the stable noble gas configuration. Hence, it also resembles halogens and can be grouped with them in group 17. Thus, the position of hydrogen is debatable.
What is the Position of Hydrogen in the Periodic Table?
The placement of elements in the periodic table is based on their electronic configuration.
What is hydrogen used for?
In the glass industry hydrogen is used to make flat glass sheets as a protective atmosphere. It is used as a flushing gas in the electronics sector during the manufacture of silicon chips. The low hydrogen density made it a natural choice for one of its first practical applications-filling balloons and airships.
Why is hydrogen important?
Why is hydrogen so important? In the human body the most important hydrogen function is to keep you hydrated. Water consists of hydrogen and oxygen, and is absorbed by the body’s cells. Therefore, it is a crucial element that is used as a fuel, military weapons, etc., not in our body.
What happens when hydrogen loses electrons?
When hydrogen loses electron, the size of its nucleus decreases and becomes almost 1.5 × 10 -3 pm, which is very small as compared to the atomic sizes of normal metals and hence hydrogen ion does not exist freely in nature.
What is the name of the element that binds to form dioxygen?
Two atoms of the element bind to form dioxygen at standard temperature and pressure (STP), a colourless, odourless, tasteless diatomic gas with formula O2. Oxygen is on the periodic table a member of the chalcogen group, and is a highly reactive non-metallic element.
What is the most abundant element in the universe?
Hydrogen is the simplest and most abundant element in the universe. It is composed of a single proton and a single electron. Liquid hydrogen is used in the study of the superconductors and makes an excellent rocket fuel when combined with liquid oxygen. Numerous compounds are formed by hydrogen combined with other elements.
Is hydrogen a diatomic molecule?
It exists as a diatomic molecule like that of halogens (for example chlorine Cl 2 ), there is a single hydrogen bond when H 2 molecule is formed . Though hydrogen shows a lot of resemblance to halogens and alkali metals, it is very different from both. So a great thought has to be given for the position of hydrogen in the periodic table.
What are the physical characteristics of hydrogen?
It has the lowest density (0.0899*10 -3 g.cm -3 at 20 °C) as compared to all other gases. Hydrogen is odorless and colorless gas. It is non-toxic and nonmetallic at standard conditions (standard temperature and pressure).
Where is hydrogen found?
Hydrogen is found in significant abundance in undetected form of mass, such as dark matter, and in gas giant planets and stars. In gaseous form, it is present only in a small fraction and makes around 1 part per million in volume.
How many isotopes of hydrogen are there?
There are three naturally occurring isotopes of hydrogen, named 1 H (protium), 2 H (deuterium), and 3 H (tritium). Protium is the most abundant hydrogen isotope (99.98%). Tritium is the most stable radioisotope and have a half-life of 12.32 years. All heavier isotopes of hydrogen are synthetic and are extremely unstable.
What is the most common elemental compound produced by hydrogen peroxide?
One of the most common compounds produced by elemental hydrogen is hydrogen peroxide (H 2 O 2) with oxygen. The light atomic nature of hydrogen impart various favorable properties to it, including low viscosity, and high thermal conductivity and specific heat as compared to all other gases.
What is the reaction of free hydrogen radicals?
Free hydrogen radical can react with chlorides and oxides of various metals to form free metals. It can lead to the formation of hydrides of various metals, non-metals such as, H 2 S, NAH, PH 3 and KH. One of the most common compounds produced by elemental hydrogen is hydrogen peroxide (H 2 O 2) with oxygen.
What is hydrogen used for?
Hydrogen is used as rocket fuel and as rocket propellent. Hydrogen provides protective and stable atmosphere for the production of flat glass sheets in glass industry. It is used in electronic industry for the manufacturing of silicon chips (as flushing gas). Hydrogen is widely used in power stations as a coolant in generators.
When was hydrogen discovered?
Hydrogen is one of the three most abundant elements present on Earth. It was discovered in 1766 by Henry Cavendish and is widely used for various industrial, medical and recreational purposes.
Structure of Hydrogen
The structure of hydrogen is similar to that of alkali metals (ns¹) that have 1 electron in their outermost shell. Hydrogen can have a noble gas configuration structure and have a similar structure as helium by accepting an electron. This structure is the same as that of halogens (ns 2, np 5 ).
Hydrogen in the Periodic Table
Coming to the formation of compounds, hydrogen can produce sulfides, oxides, and halides as other alkali metals. Different from alkali metals, hydrogen has very high ionization enthalpy due to which it lacks metallic characters in normal conditions.
Importance of Hydrogen
Hydrogen, when present in the human body, keeps it hydrated. Water contains hydrogen and oxygen which is absorbed by cells of the body. Hydrogen is a crucial element that can be used as fuel, military weapons, etc.
Sample Questions
Ans. Hydrogen is the most abundant element present on the Earth. It has the simplest atomic structure. It only consists of a single electron and proton. Liquid hydrogen is also being used as semiconductors and hydrogen is widely used for rocket fuels.
