Question

define atomic mass with example

pls answer​

Answer 1

Answer:

The atomic mass of a single atom is simply its 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.

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Answer 2

Atomic mass is equal to

• No of times one atom of an element is heavier than the mass of an atom of hydrogen.
• No of times one atom of an element is heavier than the ¹/12 the mass of an atom of carbon.

For example, the atomic mass of chlorine (Cl) is 35.45 amu because chlorine is composed of several isotopes, some (the majority) with an atomic mass of 35 amu (17 protons and 18 neutrons) and some with an atomic mass of 37 amu (17 protons and 20 neutrons).