Question

Q.4 Match the elements in column X with the correct group they belong from column Y
X
Y
1 Element with atomic number 19
A: Group 18
2 Element with electronic configuration 2
B Group 10 (VIA
3. Element with a valency of -2
C Group 1
4. Element 'P which loses 3 electrons to form a cation
D Group 17 VDA
5.
Element 'Q in period-3 which has the highest electron affinity E Group 13
Cive reasons for the following:
Occurrence of characteristic properties of elements takes place at definite intervals in the med
periodic table
Properties of elements are periodic functions of their atomic numbers and not atomic weighs

Answer 1

Explanation:

Q.4 Match the elements in column X with the correct group they belong from column Y

X

Y

1 Element with atomic number 19

A: Group 18

2 Element with electronic configuration 2

B Group 10 (VIA

3. Element with a valency of -2

C Group 1

4. Element 'P which loses 3 electrons to form a cation

D Group 17 VDA

5.

Element 'Q in period-3 which has the highest electron affinity E Group 13

Cive reasons for the following:

Occurrence of characteristic properties of elements takes place at definite intervals in the med

periodic table

Properties of elements are periodic functions of their atomic numbers and not atomic weighs