Question

if a neutral gold atom has an atomic number of 79 and a mass number of 191 how many protons does it have

Answer 1

79, because the number proton is equal to an atomic number

Answer 2

how many neutrons and electrons?

Answer 3

112 is the number of neutrons?

Answer 4

for neutron = 191 - 79

Answer 5

yes 112

and the number of electron is equal to the number proton.., so for electron = 79