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Hatshy [7]
3 years ago
6

О)

Chemistry
1 answer:
Lyrx [107]3 years ago
6 0

16

Explanation:

The subatomic particles in any atom are made up of protons, neutrons and electrons in it.

Protons are the positively charged particles.

Neutrons do not carry any charges.

Together with protons, they occupy the nucleus.

Electrons are negatively charged particles.

  In an atom of B - 11;

  11 is the mass number

mass number = number of protons + number of neutrons.

   Total subatomic particles = proton + neutrons + electrons

    TSP = mass number + electrons

In B, the atomic number = 5 = number of electrons

   TSP = 11 + 5 = 16

learn more:

Atomic number brainly.com/question/5425825

#learnwithBrainly

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