Question

atomic mass 2 examples​

Answer 1

Answer:

Hydrogen is the lightest naturally occurring element. ... Helium is the second lightest element, and is larger than hydrogen. It consists of two protons and two neutrons. Because protons and neutrons are approximately the same size, the atomic mass of a helium atom is four daltons

Explanation:

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Answer 2

Answer:

The atomic mass is a single atom is simplify it's total mass and is typically expressed in atomic mass units or amu.By definition ,an atom of carbon with six neutrons ,carbon- 12 has an atomic mass of 12 amu