Question

A neutral atom has 54 protons and 70 neutrons. What is the atomic number?

Answer 1

54

Step-by-step explanation:

Since in a neutral atom the atomic number is equal to the number of electrons which is ewual to the number of protons

Answer 2

Xenon

Step-by-step explanation:

Since they are giving you the amount of protons in the atom, with that you know what element it is. Protons indicate the atomic number of the element.

In this case, since we have 54 protons, our atomic number is 54 which is Xenon.