What are the different groups in a periodic table?

Periodic Table Groups

• Group 1: Alkali Metals. Alkali metals are soft, ductile, and good conductors of electricity and heat.
• Group 2: Alkaline Earth Metals.
• Group 3 To Group 12: Transition Metals.
• Group 13: Boron Group.
• Group 14: Carbon Group.
• Group 15: Pnictogens.
• Group 16: Chalcogens.
• Group 17: Halogens.

What are the 3 groups in the periodic table?

The elements can be broadly divided into metals, nonmetals, and semimetals.

What is group 1 on the periodic table called?

Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The alkali metals have only one valence electron in their highest-energy orbitals (ns1).

How many groups/families are on the 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, and the f-block columns (between groups 3 and 4) are not numbered.

When was C Group 18 added to the periodic table?

c Group 18, the noble gases, were not discovered at the time of Mendeleev’s original table. Later (1902), Mendeleev accepted the evidence for their existence, and they could be placed in a new “group 0”, consistently and without breaking the periodic table principle.

How does PubChem work on the periodic table?

Finally, IUPAC assigns collective names (lanthanoids and actinoids) and group numbering (1 to 18) and has investigated the membership of the group 3 elements. PubChem is working with IUPAC to help make information about the elements and the periodic table machine-readable.

What are the post transition metals on the periodic table?

Post-transition metals are generally considered to be elements in Groups 13, 14, and 15. All of the classifications include the elements gallium, indium, tin, thallium, lead, and bismuth. However, depending on how “post-transition” is defined, this category may contain as few as six or as many as 22 elements.