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Borjacaramina15go
Answered

the sum of the number of protons and neutrons is an element is called
a. atomic mass
b. electronegativity
c. atomic number
d. ions

thank you in advance po​

Sagot :

Neon358go

Answer:

Mass number refers to the sum of the number of protons and neutrons present in the nucleus of an atom and denoted by A.

Mass number refers to the sum of the number of protons and neutrons present in the nucleus of an atom and denoted by A.Mass number = Number of protons + Number of neutrons.

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