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NikAS [45]
3 years ago
14

The atomic mass is the sum of the number of ________ and ________ in the nucleus of an atom. Choose two answers from the options

below.
Chemistry
2 answers:
larisa86 [58]3 years ago
4 0

Explanation:

The atomic mass is the sum of the number of <u>protons</u> and <u>neutrons</u> in the nucleas of the an atom.

iVinArrow [24]3 years ago
3 0

Answer :

The atomic mass is the sum of the number of protons and neutrons in the nucleus of an atom.

Explanation :

Atomic number : it is defined as the number of protons or number of electrons.

Atomic number = number of protons = number of electrons

Mass number or atomic mass : It is defined as the sum of the number of protons and the number of neutrons.

Mass number or atomic mass = Number of protons + Number of neutrons

For example :

Number of protons in carbon = 6

Number of neutrons in carbon = 6

Mass number or atomic mass = Number of protons + Number of neutrons

Mass number or atomic mass = 6 + 6

Mass number or atomic mass = 12

Thus, the atomic mass is the sum of the number of protons and neutrons in the nucleus of an atom.

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