Question

1) Based on this i formation found in the periodic table, how many protons are in the nucleus are in the nucleus of one atom

A) 30.18
B) 20.18
C) 20
D) 10

Answer 1

The protons are always on the top number so the protons is `10

Answer 2

20.18 is the Mass of Neon.

10 is the number of the element occupying the 10th position of the periodic table. (That element is Neon)

10 also is the number of protons in a Neon atom

10 is the number of electrons in a Neon atom.

The answer is D.