The elements which occupy the middle block (d) in the periodic table are called ................ elements.

In the periodic table, the elements which are similar in their Chemical & physical properties are located in the same ................

Choose which of the following position is correct for Neon (z = 10)

Choose the correct position for element Krypton (Z= 36)

Bromine has the valence electronic configuration of 4s² 3d¹⁰ 4p⁵. Choose the correct position of Br element in Periodic Table.

In the modern periodic table the block d is

In the modern periodic table, the period indicates the value of:

Surrounding the nucleus is a cloud-like region of moving _________________________.

An atom with the same number of protons and a different number of neutrons from other atoms of the same element is called a/an

Negatively charged particles in an atom are known as:

A group of two or more atoms held together by chemical bonds:

The horizontal (side to side) rows in the Periodic Table are called