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Calculate the number of protons, neutrons, and electrons in Br₃₅⁸⁰

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35, 55, 35

45, 35, 35

35, 45, 35

25, 35, 45

answer is C.

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Detailed Solution

Solution:

Concept: Mass number represents the number of protons and neutrons in atoms represented by A, the atomic number represents the number of protons in atoms Represented by Z. and X is the

abbreviation used to represent atom in the chemical formula Question Image .

Number of Protons(Z) in =35

Number of neutron(A-Z) in = 80-35=45

Number of electrons in a neutral atom(Z) in Question Image =35

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