who can give me a better and correct answer of below question that will be mark as brainlist and thanks. This questions is from class9 science chapter Atoms and molecules. plzzz help me its very urgent plzz guys help me.
Q1)what is atomic mass?how is any expressed?
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noun Chemistry.
the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1/16 (0.0625) the mass of one oxygen atom, but after 1961 based on 1/12 (0.0833) the mass of the carbon-12 atom.
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Explanation:Protons and neutrons are collectively called nucleons. Total number of protons and neutrons in the nucleus is called atomic mass of the atom.
1 atomic mass unit(amu)=1.660539040 × 10−24 gram
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