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4vir4ik [10]
3 years ago
8

What is the number of protons in the nucleus of an atom equivalent to? a.number of neutrons b.atomic number c.mass number d.atom

ic weight
Chemistry
2 answers:
Wittaler [7]3 years ago
8 0

Answer : The correct option is, (b) atomic number

Explanation:

As we know that an atom is the smallest unit of a matter that consist of three subatomic particles which are electrons, protons and neutrons.

The protons and the neutrons are located inside the nucleus or center of the nucleus where the mass of the an atom is concentrated and the electrons are located around the nucleus.

The protons are positively charged, the electrons are negatively charged and the neutrons are neutral that means it has no charge.

Atomic number : It is equal to number of protons in the nucleus of an atom.

Atomic number = number of protons

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

Number of neutrons = Mass number - Number of protons

Hence, the correct option is, (b) atomic number

marshall27 [118]3 years ago
7 0

Answer:

The answer would be B)

Explanation:

The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.

Hope this helps

Please give me Brainliest

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