How are isotopes defined?
forms of different elements that have the same number of neutrons in each atom
forms of different elements that have the same number of protons in each atom
forms of the same element that differ in the number of neutrons in each atom
forms of the same element that differ in the number of protons in each atom

Question

How are isotopes defined?
forms of different elements that have the same number of neutrons in each atom
forms of different elements that have the same number of protons in each atom
forms of the same element that differ in the number of neutrons in each atom
forms of the same element that differ in the number of protons in each atom

midhun.madhu1987 · Answer

forms of the same element that differ in the number of neutrons in each atom

Isotopes are different atoms of the same element having same Atomic number but different mass number.

anonymous · Answer

gotcha. thank you(: