Need help with formulae
Answers
Answer:
Explanation:
Element Atomic Mass No of No of No of
Number Number Protons Neutrons Electrons
Aluminium 13 27 13 14 27
Oxygen 8 16 8 8 8
Sodium 11 23 11 12 11
Phosphorous 15 30.97 15 16 15
Neon 10 20.17 10 10 10
Boron 5 10.81 5 6 5
Beryllium 4 9 4 5 4
Potassium 19 30 19 20 19
Sulphur 16 32 16 16 16
Fluorine 9 18.99 9 10 9