What is the number of protons of an element with a mass number of 100 and a neutron number of 40? A.100 B.40 C.0 D.60

Kinghfb asked Apr 19, 2023

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What is the number of protons of an element with a mass number of 100 and a

neutron number of 40?
A.100
B.40
C.0
D.60

Kinghfb asked Apr 19, 2023

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15 votes

Answer:

D-60

Step-by-step explanation:

Mass number =Proton number(P) + Neutron number

100=P+40

collect like terms

P=100-40

P=60

Pegi answered Apr 23, 2023

by Pegi

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