Question

Write the atomic numbers of first two elements of Group 1.​

Answer 1

Answer:

group 1 elements

1- hydrogen

3- lithium

these are the first two elements of group one

mark me as brainliest

mark me as brainliest

mark me as brainliest

mark me as brainliest

Answer 2

Hydrogen atomic no.1

Lithium atomic no.3

hope it helps