what are the periodic table families

Families in the periodic table

• 1: Alkali metals The elements of the I-A group are also called alkali metals. They have only one electron in their outermost s-orbital. ...
• 2: Alkaline earth metals The elements of the II-A group are also known as alkaline earth metals. ...
• 3: Chalcogens The elements in this group VI-A are known as Chalcogens. ...
• 4: Halogens The elements of group VII-A are called halogens. ...
• 5: Inert gases ...

Full Answer

What is the first family on the periodic table called?

The first column of the periodic table is called group one. It also happens to be called the alkali metal family. The members of this prestigious family are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). Hydrogen (H) is technically in the same group, although it really doesn't exhibit the same behavior ...

What is the most reactive family on the periodic table?

Which compound is most reactive?

• The most reactive element is fluorine, the first element in the halogen group.
• The most reactive metal is francium, the last alkali metal (and most expensive element).
• The least reactive elements are the noble gases.

Which family is Group One in the periodic table?

a Group 1 is composed of hydrogen (H) and the alkali metals. Elements of the group have one s-electron in the outer electron shell. Hydrogen is not considered to be an alkali metal as it rarely exhibits behaviour comparable to theirs, though it is more analogous to them than any other group. This makes the group somewhat exceptional.

What is group 17 on the periodic table?

• Astatine is placed below iodine in Group 17 of the Periodic Table.
• Hence, astatine is expected to react with water, iron and sodium hydroxide solution in the similar way as iodine but these reactions are slower (less reactive) than iodine.
• For example:

What are the 7 families of the periodic table?

Families of the Periodic Table. On the periodic table, there are families which are groups of elements with similar properties. These families are alkali metals, alkaline earth metals, transition metals, post-transition metals, metalloids, halogens, noble metals, and noble gases.

What are the 4 different families on the periodic table?

5 Element FamiliesAlkali metals.Alkaline earth metals.Transition metals.Halogens.Noble gases.

What are the 3 families on the periodic table?

Recall that all elements can be classified into three categories: metals, nonmetals, and semiconductors. Scientists classify the elements further into five families. The atoms of all elements in most families have the same number of valence electrons.

What are the element families?

Element families are elements that have the same number of valence electrons. Most element families are a single column of the periodic table, although the transition elements consist of several columns, plus the elements located below the main body of the table.

How many families are in periodic table?

In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns (between groups 2 and 3) are not numbered.

How can I memorize the periodic table of families?

You could use the acronym HHeLiBeBCNOF (pronounced 'heeliebeb kernoff') to remember the first nine chemical elements. It's a nonsense word, but it condenses nine names into one mental prompt or cue. Or the acrostic “Here He Lies Beneath Bed Clothes, Nothing On, Feeling Nervous” would equate to H He Li Be B C N O F Ne.

What are the 9 families of the periodic table?

Families on the periodic table include, in addition to noble gases and halogens, the alkali metals, alkaline earth metals, transition metals, lanthanides, and actinides. The nonmetals form a loosely defined cross-family grouping, as do the metalloids.

Which families are non metals?

There are 7 elements that belong to the nonmetals group:Hydrogen (sometimes considered an alkali metal)Carbon.Nitrogen.Oxygen.Phosphorus.Sulfur.Selenium.

How many groups are on the periodic table?

The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups. The elements in each group have the same number of valence electrons.

Which of the families can be found in group 17 of the periodic table?

What are halogen elements? The halogen elements are the six elements in Group 17 of the periodic table. Group 17 occupies the second column from the right in the periodic table and contains fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

Periods in the periodic table

In each period (horizontal row), the atomic numbers increase from left to right. The periods are numbered 1 through 7 on the left-hand side of the table.

Families in the periodic table

Just like human families, members of the families (vertical columns) in the periodic table have similarities or similar properties. The families are labeled at the top of the columns in one of two ways:

Valence electrons and families

An electron configuration shows the number of electrons in each orbital in a particular atom. These electron configurations show that there are some similarities among each group of elements in terms of their valence electrons .

Who created the periodic table?

The creator of the periodic table, Dmitri Mendeleev, in 1869 began collecting and sorting known properties of elements, like he was playing a game, while traveling by train.

What is PubChem working with?

PubChem is working with IUPAC to help make information about the elements and the periodic table machine-readable.

Can periodic table games be used for grade?

The periodic table game available on this page is for entertainment purposes only, and should not be used to grade students on their knowledge of chemical elements.

Does the Modern Periodic Table Change? If So, How and Who Does That?

The periodic table as we know it today is managed by the International Union of Pure and Applied Chemistry, or IUPAC (eye-you-pack).

Which group of elements have valence electrons in more than one shell?

They have valence electrons in more than one shell and exhibit several common oxidation states. Groups 13, 14, & 15 include the other metals elements. They are malleable and ductile but are not the same as transition elements.

What are the elements in Group 2?

Group 2 includes the alkaline earth elements. They are metallic elements and have an oxidation number of +2, making them very reactive. Groups 3 through 12 include 38 elements called transition metals. They are malleable and ductile and also conduct heat and electricity.

How many electrons are in Group 17?

Group 17 includes the halogens and are five non-metallic elements. They have 7 electrons in their outer shells and an oxidation number of -1.

How many families are there in the periodic table?

The Periodic table can be divided into nine families of elements each having similar properties. The families include: Alkali Metals. Group 1 of the periodic table are the alkali metals. They are highly reactive and do not occur freely in nature.

What are metalloids?

Metalloids are found between the metals and non-metals along a boundary. They have properties of both metals and non-metals. Some of the metalloids, such as silicon and germanium, are semi-conductors.

Where are lanthanide and actinide found?

These can be found in group 3 of the periodic table, and the 6th and 7th periods.

Do metals have valence electrons?

They do not exhibit a variety of oxidation states, they have valence electrons only in the outer shells. They are solid, have high density, and are opaque. Their oxidation numbers are +3, +/14, and -3. Metalloids are found between the metals and non-metals along a boundary.

How many elements are in the actinide family?

The actinide family contains fifteen elements starting with actinium through the entire row to lawrencium. All actinides are radioactive and some are not found in nature. Cite this article as: William Anderson (Schoolworkhelper Editorial Team), "Periodic Table Families: Properties & Uses," in SchoolWorkHelper, 2019, ...

Which group of the periodic table is alkali metals located on?

Alkali Metals: Are located to the far left side of the periodic table (Group 1) excluding hydrogen. They are in the first group because they each only have one valence electron. Alkali metals are very reactive because they only need to lose one electron to have a full shell.

Why are alkaline metals called alkaline metals?

They are called alkaline metals because when they are mixed in solutions they form basic (alkaline) solutions.

What are transition metals?

Transition Metals: Make up, by far, the largest family on the periodic table. They are located between and including the following elements horizontally: scandium through copper, yttrium through silver, lanthanum through gold, actinium through all higher atomic numbers in that period.

What is the noble gas family?

The noble gas family consists of helium (which is used in balloons), neon (neon lights), krypton, xenon (which is used in headlights), argon (which is used in light bulbs), and radon (whose isotopes can be used to cure cancer). Alkali Metals: Are located to the far left side of the periodic table (Group 1) excluding hydrogen.

Which element is highly reactive?

Halogens: Are located in the second column from the right side of the periodic table (group 17). They all have seven valence electrons, which make them highly reactive for covalent bonds. The halogen family consists of fluorine, chlorine, bromine, iodine, and astatine. Halogens form ionic bonds with all kinds of elements. One common substance you see every day is sodium chloride (NaCl) which is better known as salt.

What are the characteristics of metalloids?

The metalloids are hybrid elements. Perhaps the most important characteristic of metalloids is that they partially conduct electricity for semi-conductors. Nonmetals: Are opposites of metals, that’s why they are called nonmetals (not metals). They are not malleable or ductile, they are brittle.

Element Properties

Directions: Copy the following table into your notes. Use the Periodic Table of Elements and the website Periodic Table to fill in the blanks.

Groups

Periods are the horizontal rows on the periodic table of elements. Elements in the same period have the same number of electron shells/orbitals.

We Are Family

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What is the first group of elements in the periodic table?

Group 1: Alkali metals group. Alkali metals group is the very first group (group 1) on the periodic table. The elements included in the Alkali metals group are; Lithium (Li)

Why are the elements in the bottom two rows of the periodic table included in group 3?

The elements in the two bottom rows of the periodic table are also included in these groups. They are placed in the two separate rows at the bottom because they show few different properties. Actually, the elements in the bottom rows are the extension of group 3 only. So they are included in group 3. But as these elements have few different ...

How many groups are there in the periodic table?

Groups are the vertical columns on the periodic table. There are total 18 vertical columns on periodic table. Hence there are 18 groups. The elements lying in the same groups show similar chemical properties and they also have same number of valence electrons.

What is the oxygen group on the periodic table?

Oxygen group is the group 16 on the periodic table.

What is an example of group 18?

Example of group 18. All the elements of group 18 are chemically inert (that means they do not easily react with other elements). And all the elements of group 18 have a complete octet (that means they have 8 electrons in their outer shell).

Which group is alkaline earth metals?

Alkaline earth metals are the group 2 elements on the periodic table.

Is the Interactive Periodic Table free?

Checkout Interactive Periodic table and download it’s high resolution image now ( It’s FREE)

What is the name of the metal that is a shiny, soft, and highly reactive metal?

Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Caesium (Cs), and Francium (Fr)#N#The name "alkali" derives from an old word meaning "ashes of burned plants". Alkali metals are all shiny, soft and highly reactive. They all have a charge of +1 and can neutralize acids. A common alkali is sodium hydroxide (NaOH); it is formed when sodium oxide (Na 2 O) reacts with water.

What are the names of the gases that are colourless?

Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and the radioactive Radon (Rn)#N#Noble gases are colourless, monatomic gases at room temperature. Noble gases' valance shell are "full", therefor they rarely participate in chemical reactions. They are referred to as "noble" because this lack of chemical reactivity. Until 1962, it was thought that noble gases had no chemical reactivity at all.