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Question 4.CC.1: Calculate the number of protons, neutrons, and electrons in ......

Calculate the number of protons, neutrons, and electrons in a krypton atom with a mass number of 80.

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Element Atomic

Number

 Mass

Number

 Number

of

Protons

 Number

of

Neutrons

 Number

of

Electrons
Kr 36 80 equal to
atomic
number
36		 equal to mass
number –
number of
protons
80 – 36
= 44		 equal to
number
of
protons
36

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