Question

number of elements present in 1st period of the long of periodic table

Answer 1

hlo mate here is ur answer

2 elements are present in 1st period of long form of periodic table . i.e HYDROGEN AND HELIUM .




HOPE THIS WILL HELP U .

MARK ME AS BRAINLIEST.

Answer 2

Hey mate ☺☺☺☺

here is your answer ⤵ ⤵ ⤵ ⤵

two elements are present 1st period of the long of periodic table

I. e: hydrogen and Helium

hope you got it ✔

thank you for posting your question!