Asked by greeny
which pair of atoms represent nuclei that have the same number of neutrons?
a Co36 and Co 58
b. Mn57 and Fe 57
c. Ni 58 and Fe 57
d. Ni 58 and Co 57
e. Ni 59 and Fe 56
a Co36 and Co 58
b. Mn57 and Fe 57
c. Ni 58 and Fe 57
d. Ni 58 and Co 57
e. Ni 59 and Fe 56
Answers
Answered by
DrBob222
#protons + #neutrons = mass number.
Example:
Fe56 is
protons = 26
mass number = 56
26 + ? = 56
? = number neutrons = 56-26 = 30
Example:
Fe56 is
protons = 26
mass number = 56
26 + ? = 56
? = number neutrons = 56-26 = 30
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