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NAME the first period containing two elements ????
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@ Prabhu dutt.............
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Answered by
2
HELLO BRO
HERE IS UR ANSWER ☺️☺️
HYDROGEN AND HELIUM
HOPE HELPS ☺️
HERE IS UR ANSWER ☺️☺️
HYDROGEN AND HELIUM
HOPE HELPS ☺️
Anonymous:
abe ja n
Answered by
7
hydrogen and Helium are the element of the first period
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