Question

'Elements in Periodic table show periodicity of properties. List any four such properties​

Answer 1

Answer:

ELEMENTS IN PERIODIC TABLE SHOW PERIODICITY OF PROPERTIES LIST ANY FOUR SUCH PROPERTIES.

Atomic Radius Decreases.

Ionization Energy Increases.

Electron Affinity Generally Increases (exceptNoble Gas Electron Affinity Near Zero)

Electronegativity Increases.

Explanation:

Answer 2

Answer:

Four properties are as follows :-

1. Elements have same no. of valence electrons and same valency in a group.
2. Elements have similar chemical properties in  a group.
3. The atomic size of elements increases down the group.
4. The metallic character of elements also increases down the group.