Question

find element C and D
C .shows the presence of 10 neutrons, 9 protons and 10 electrons.
D. shows the presence of 4 neutrons, 3 protons and 2 electrons.​

Answer 1

Answer:

we know that number of protons in the nucleus of an atom = the atomic number of the element.

So, C) number of protons =9

atomic number = 9

element = Fluorine

D) number of protons = 3

atomic number = 3

element = Lithium

I hope this answers your question !