Question

Fill in the blanks

a) Atomic mass of sodium is ---------------
b) Atomic theory was proposed by -----------
c) Charged species of a compound is called -----------
d) Atomicity of phosphorus is ------------
e) ---------- number of atoms present in a H2S molecule
f) Symbol of copper is ---------------

Answer 1

Answer:

a) 22.98977

b) John Dalton

c) ions

d) 4

e) three atoms

f) CU