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What is the number of atoms present in 64 amu of He? - Quora
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3.04 Molar Mass
Helium - Atomic Number - Atomic Mass - Density of Helium | nuclear-power.com
Atomic Weight of Helium | Commission on Isotopic Abundances and Atomic Weights
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How to Find the Mass of One Atom of Helium (He) - YouTube
Relative atomic mass - a question... - Science by degrees
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How many protons are in helium? - Quora
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Calculate the mass of an atom of (a) helium, (b) iron,and (c) lead. Give your answers in kilograms. The atomic masses of these atoms are 4.00 u, 55.9 u, and 207 u, respectively.
Atomic disguise makes helium look like hydrogen | New Scientist
