Question

Identify the correct option that contains group - | elements arranged in the increasing order of their atomic number,
1..Li, Na, K, Rb, Fr
2..Be, Mg, Ca, Sr, Ra
3..Fr, Rb, K, Na, Li
4..F, CI, Br, I, At

please answer​

Answer 1

Answer:

Option 1 is correct answer

Answer 2

Answer:

1. Li, Na, K, Rb, Fr

is the correct increasing order of their atomic number