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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An isotope is the same element with a different number of ____?
A
Protons
B
Neutrons
C
Electrons
D
None of the above
Explanation: 

Detailed explanation-1: -Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

Detailed explanation-2: -All of these have same atomic number, but different mass number, hence, different number of neutrons.

Detailed explanation-3: -Neutrons are all identical to each other, just as protons are. Atoms of a particular element must have the same number of protons but can have different numbers of neutrons.

Detailed explanation-4: -Isotopes of same elements have the same number of protons but different number of neutrons.

Detailed explanation-5: -Isotopes have same number of protons but different number of neutrons.

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