Explain giving justification the trends in the following properties of elements
Explain giving justification the trends in the following properties of elements, on moving from left to right in a period, in the Modern periodic Table.
- Variation of valency.
- Change of atomic radius.
- Metallic to non-metallic character.
- Electronegative character.
- Nature of oxides.
Answer
a) Valency first increases, then decreases
b) Decreases
c) Increases
d) Increases
e) Changes from basic to acidic