Science, asked by annie12323, 1 month ago

WAHT IS HELIUM?

SIS ARE U STILL ONLINE?
IF YES THEN REPLY ME.
ONLY SHE WILL ANSWER OTHERS WILL BE REPORTED

Answers

Answered by buchadevedant907

1

Answer:

helium is noble gas

it symbol is He

it has 2 electron in its shell

it's duplet is completed

it's atomic mass is 4 dalton

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