1.6 Structure Of An Atom

Question 1

Def proton

Answer 1

A tiny positive particle found inside the nucleus of an atom

Question 2

Def neutron

Answer 2

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

Question 3

Def electron

Answer 3

A tiny particle with a negative charge. Electrons orbit the nucleus of atoms or ions in shells

Question 4

What overall charge does a nucleus have

Answer 4

Positive

Question 5

Relative charge proton

Answer 5

+1

Question 6

Relative charge electron

Answer 6

-1

Question 7

Where is the mass of an atom concentrated

Answer 7

Nucleus

Question 8

Proton relative mass

Answer 8

1

Question 9

Neutron relative mass

Answer 9

1

Question 10

How light is an electron?

Answer 10

So small that it can be ignored when working out the relative mass of atoms

Question 11

What is the overall charge of an atom

Answer 11

0 because there is the same amount of protons and electrons

Question 12

What is the number of protons (and electrons) in each atom called?

Answer 12

Atomic number

Question 13

How are elements in periodic table arranged

Answer 13

By atomic number

Question 14

Mass number def

Answer 14

Number of protons plus neutrons in an atom

Question 15

Where is atomic number on the periodic table

Answer 15

Above the element

Question 16

Where is the mass number of the periodic table

Answer 16

Below the element