Atomic masses
TSव्हाट इस मीन बाय एटॉमिक मास एक्सप्लेन विद एग्जांपल्स
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Okay, so atoms are made out of protons, neutrons and electrons. ... The element helium, for example, contains atoms with two protons in the nucleus. The element iron contains atoms with 26 protons. The element oxygen contains atoms with eight protons.
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