Question

Match makings.
Column A.
(a) Element
Column
(a) Atoms of an element
different number of means
(b) Iron
(b) Isotopes
(c) Compound
(d) Atomic number
(c) Number of protams
(d) Ammonia​

Answer 1

Please post Matching through picture it's not understandable.

Answer 2

Answer:

a atoms of an element b, isotopes,c compound,d atomic number