Question

1. Here is a list showing a number of common chemical substances.
A. Iron
B. Carbon dioxide
C. Mercury
D. Hydrogen
E Sodium Chloride
F. Water
a. Divide this list into two lists, one of elements and one of compounds. 1
b. Using the idea of atoms, explain the difference between an element and a compound
2
Divide the elements into metals and non-metals.

Answer 1

Answer:

iron, mercury, hydrogen, are elements

carbon dioxide, sodium chloride water are compounds

elements are made up of same kind of atoms which may or May not be able of free existence.. but compounds are made from combination of atoms of two different element capable of free existence

iron and mercury are metals others are non metal