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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 number and mass number of ordinary... - Stock Illustration [92692437] - PIXTA](https://en.pimg.jp/092/692/437/1/92692437.jpg "Atomic number and mass number of ordinary... - Stock Illustration [92692437] - PIXTA")
Atomic number and mass number of ordinary... - Stock Illustration [92692437] - PIXTA
Name, Symbol, Atomic Mass And Atomic Number Of The Period Table Element Of Helium Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 144004758.
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What is the atomic mass of helium? - Quora
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Atomic disguise makes helium look like hydrogen | New Scientist
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Helium. Helium in Periodic Table | by Chemistry Topics | Medium
He Helium Chemical Element Periodic Table. Single element vector illustration, Noble gases element icon with molar mass and atomic number Stock Vector Image & Art - Alamy
Scientific Explorer: History of the Periodic Table Part 2: What is Atomic Mass?
