Question

Observe the given table and answer the following question :
Elements
А
B
C
D
E
Atomic number
11
4
2
7
19
Identify the two elements that belong to the same period and the two elements
that belong to the same group. Give reason for your conclusion.​

Answer 1

Answer:

11,19 same period,4,7 are the part of the same group

A,E BD

Explanation:

as in the periodic table all is clear!!