Q. What is an atom with an equal number of neutrons called?

A
Isotones
B
Isobars
C
Sodium
D
Barium
Solution:
  • Isotones : Atoms having the same number of neutrons (N) but a different number of protons (Z)
  • Isobars : Atoms having the same mass number (A)
  • Isotopes : Atoms having the same number of protons (Z) but different number of neutrons (N)
  • Isomers : Atoms of the same element (same Z and N) but which are in different excited states
  • Two elements extracted by Humphrey Davy using electricity : Sodium and Barium.
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