Question on: JAMB Chemistry - 2014
How many protons, neutrons and electrons respectively are present in the element 60/27 Co?
A
27, 33 and 33
B
33, 27 and 27
C
27, 33, and 27
D
60, 33 and 60
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Correct Option: C
The element is Cobalt (Co).
- Protons: The atomic number (subscript) represents the number of protons, which is 27.
- Neutrons: The mass number (superscript) is 60. To find the number of neutrons, subtract the atomic number from the mass number: 60 - 27 = 33.
- Electrons: In a neutral atom, the number of electrons is equal to the number of protons, which is 27.
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