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valentina_108 [34]
3 years ago
12

Why is helium heavier than hydrogen​

Chemistry
2 answers:
Kaylis [27]3 years ago
7 0
Helium has more protons making it heavier by one atomic mass.
Alexxandr [17]3 years ago
5 0

Answer:

because it's has an additional electron. hydrogen is just made up of one proton

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