Question

while going from left to right within a period rhe valency of the element
a. increase
b. first increase then decrease
c. decrease
d. first decrease then increade​

Answer 1

Answer:

d. First decrease then increase

Answer 2

Answer:

• On going from left to right along a period (short period), the valency of elements increases from 1 to 4 and then decreases to 0 (zero).

• So , It OPTION (D) is correct.

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