Question
Science Question on Isotopes
Isotopes of an element have
A
The same physical properties
B
Different chemical properties
C
Different number of neutrons
D
Different atomic numbers.
Answer
Different number of neutrons
Explanation
Solution
Isotopes of an element have the same atomic number but different mass numbers (The mass number represents the sum of the number of protons and neutrons of an element.).
Therefore, The correct option is (c) different number of neutrons.