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Q.

Calculate:

 The number of protons, neutrons, and electrons in Br3580.

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a

35, 55, 35

b

25, 35, 45

c

 35, 45, 35

d

45, 35, 35

answer is C.

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Detailed Solution

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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 atoms in the chemical formula.

Number of Protons(Z) in =35

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

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

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