the mass number of an element is 18 . it contains 7 electrons what is the number of protons and neutrons in it ? what is the atomic number of the element
Answers
Answered by
1
Answer:
Mass number= protons+neutrons
Atomic number= protons or electons
Given,
Electrons= 7
Protons=7
Neutrons=11
Therefore, atomic number of the element=7
The element is Nitrogen
Similar questions