Atoms

Question 1

What are atoms

Answer 1

They make up everything in the universe

Question 2

What are elements mixtures and compounds

Answer 2

Elements are a substance made up of only one type of atom. Whilst other mixtures are one or more elements together but not chemically together. While compounds are the same but chemically joined

Question 3

What are the three subatomic particles

Answer 3

Neutrons Protons and Electrons

Question 4

What are the descriptions of these subatomic particles

Answer 4

Neutrons are neutral charge and have 1 in mass
Protons have a positive charge and have 1 in mass
Electrons have negative mass and an almost zero mass

Question 5

What is the overall charge of an atom

Answer 5

It is neutral

Question 6

What is the overall charge of a nucleus

Answer 6

Positive

Question 7

Who discovered the electron

Answer 7

JJ Thomson

Question 8

What is the plum pudding model

Answer 8

The plum pudding model was made by JJ Thomson. The atom was a positive ball with negative dots inside the atom like plums in a pudding

Question 9

Who discovered shells

Answer 9

Niels Bohr

Question 10

Who discovered the proton

Answer 10

Ernest Rutherford

Question 11

What is the gold foil experiment

Answer 11

The experiment was done by Ernest Rutherford and he shot particles at a gold foil which some reflected and some went straight through which meant that a small amount of protons were in ta small space which is the nucleus of the atom