C1 atomic structure

Question 1

Atom

Answer 1

Smallest particle of a chemical element that can exist

Question 2

Compound

Answer 2

A substance made when two or more elements are chemically bonded together

Question 3

Element

Answer 3

A substance made up of only 1 type of atom

Question 4

Law of conservation of mass

Answer 4

The total mass of the products formed in reaction is equal to the total mass of the reactants

Question 5

Neutron

Answer 5

A dense particle found in the nucleus of an atom. It is electrically neutral carrying no charge

Question 6

Nucleus of an atom

Answer 6

The small and dense central part of an atom that contains protons and neutrons

Question 7

Noble gases

Answer 7

Unreactive gases found in Group 0 of the periodic table. Their atoms have very stable electronic structures.

Question 8

Proton

Answer 8

Tiny positive particle found inside the nucleus of an atom

Question 9

Product

Answer 9

Substance made as a result of a chemical reaction

Question 10

Shell

Answer 10

An area in atom around its nucleus where electrons are found