Question

B.
1.
2.
3.
Answer the following questions.
What is an atom? Is it stable? Give reasons to support your answer.
What is a molecule? Is it stable?
Define the following terms:
(a) Element
(b) Valency (C) Ions
(d) Sub-shell (e) Octet
(f) Duplet
What is a compound? Name five compounds.
Distinguish between a compound and a mixture.
Identify whether these are an element or a compound.
Sugar, water, hydrogen, chlorine, salt, mercury, gold, sand
What is meant by sub-atomic particles?
4
5.
6.
7.​

Answer 1

Answer:

atom:

1.the smallest particle of chemical element that can exist.

molecule:a group of atom bonded together representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

*element* :element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.

Answer 2

Explanation:

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