Science, asked by mohdyousuf23122006, 2 months ago

हीलियम का परमाणु द्रव्यमान कितना है

Answers

Answered by BrainlyStud

0

Answer:

4.002602 u

Atomic number: 2

Symbol: He

Electrons per shell: 2

Answered by reshma903375

0

Answer:

4.002602 u

plz mark as brainlist

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