Question

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 ?​

Answer 1

THE NUMBER OF PROTONS IS 7

ATOMIC NUMBER IS 7

Answer 2

Hello mate !!!

_________________

your answer .

______

no. of proton = no. of electro = 9

atomic no. is 9 and the element is florine

_______

#hope it help uh.

BRAINLIEST PLS