The Atom

Question 1

define the term matter

Answer 1

matter is everything that has mass and take up space

Question 2

define the term atom

Answer 2

an atom is the smallest particle of a chemical element that exists

Question 3

Describe how substances are organised of atoms.

Answer 3

atoms make up all substances

Question 4

Summarise the development of the atomic model.

Answer 4

solid sphere model
the plum pudding model
nuclear model
planetary model
atomic model

Question 5

Recall the names of the scientists who made major contributions to the development of the atomic model.

Answer 5

john dalton
JJ Thomson
ernest rutherford
niels Bohr
james chadwick

Question 6

Describe the structure of an atom and where each subatomic particle can be found

Answer 6

neutrons (neutral) and protons (positive) in the middle which is called the nucleuses and the electrons (negative) orbit around the nucleuses

Question 7

Identify the different subatomic particles within an atom

Answer 7

protons - positive
neutrons - neutral
electrons - negative