Question

the table shows the number of each of the three subatomic particles for four atoms. which atoms represent the same element? subatomic particles atom protons neutrons electrons 1 6 6 6 2 8 8 8 3 6 8 6 4 7 8 7 2 and 4 2 and 3 1 and 2 1 and 3

Explanation:

Elements are defined by the number of protons in their atoms. Atoms 1 and 3 both have 6 protons.

Answer:

1 and 3