Question

The group number and period number respectively of an element with atomic

number 11 is ______.

(A) 8, 1 (B) 3, 1 (C) 1, 3 (D) 1, 8​

Answer 1

Answer: option c

Explanation:

Answer 2

Answer:

option is c

Explanation:

sodium(11) belongs to alkali metals in 1 group sodium is below to lithium and sodium(11) belongs to 3 period

so answer is option c