Question

hey!! can you help me with this one??​

Answer 1

1. Element C. This is because it's electronic configuration is 2, 8, 1.

2. Element B. This is because its electronic configuration is 2, 8, 8.

3. Element A. This is because its electronic configuration is 2, 8, 8, 2.

4. Element A. This is because 2 + 8 + 8 +2 = 20.

Answer 2

Answer:

annu mishra is right

Explanation:

N/A