Atomic Structure

Question 1

Who discovered the atom?

Answer 1

John Dalton

Question 2

What was john Daltons theory

Answer 2

All elements are made up of small indivisible particles called atoms.

Question 3

Who discovered the electron.

Answer 3

J J Thompson

Question 4

What did J J Thompson propose

Answer 4

That atoms are like plum puddings and electrons are embedded in a sphere of positive charge just like currants in a pudding.

Question 5

What did Ernest Rutherford discover

Answer 5

That proton revolve around a positive charged nucleus.

Question 6

What is the same about protons and electrons?

Answer 6

Atoms have the same amount of them which makes the atom neutral.

Question 7

What is in the nucleus?

Answer 7

Proton and neutrons - mass number

Question 8

Relative mass of a proton

Answer 8

1

Question 9

Relative mass of a neutron

Answer 9

1

Question 10

Relative mass of a electrons

Answer 10

1/1840

Question 11

Relative charge of a proton

Answer 11

+1

Question 12

Relative of a neutron

Answer 12

0

Question 13

Relative charge of a electron

Answer 13

-1

Question 14

Position of a proton

Answer 14

Nucleus

Question 15

Position of a neutron

Answer 15

Nucleus

Question 16

Position of an electron

Answer 16

Shells

Question 17

What is the top number on an element on a periodic table called?

Answer 17

Mass number

Question 18

What is the bottom number in a element on a periodic table?

Answer 18

Atomic number

Question 19

What are the number of protons and electrons equal too?

Answer 19

The atomic number

Question 20

What are the number of neutrons (minus the protons) equal to?

Answer 20

The mass number

Question 21

What is an electronic configuration?

Answer 21

The diagram to show how many electrons are in the shells

Question 22

How many electrons can go in the first shell?

Answer 22

2

Question 23

How many electrons can go in the 2nd and 3rd shell?

Answer 23

8

Question 24

What are isotopes?

Answer 24

Atoms of an element with the same atomic number but a different mass number, indicating a different number of neutrons.

Question 25

How do you identify an isotope?

Answer 25

If the original proton and electron are the same but the neutrons are different.

Question 26

What are atoms with electric charge called?

Answer 26

Ions

Question 27

Those with positive charge are called?

Answer 27

Cations

Question 28

Those with a negative charge are called?

Answer 28

Anions

Question 29

What is an element

Answer 29

Elements are materials that cannot be split up into anything simpler by chemical methods.

Question 30

What is an atom?

Answer 30

The simplest particle of an element that can exist on its own.

Question 31

What is an molecule?

Answer 31

Two or more atom joined together

Question 32

What does exothermic

Answer 32

Gives out heat

Question 33

What is endothermic

Answer 33

Takes in heat

Question 34

What is redox

Answer 34

When oxidation and reduction happens at the same

Question 35

What is oxidation mean

Answer 35

Addition of oxygen

Question 36

What does reduction mean

Answer 36

Remove oxygen

Question 37

What is a thermite reaction

Answer 37

A very exothermic and gives out a lot of money.

Question 38

Equation for copper oxide and carbon?

Answer 38

Copper oxide + carbon —> copper + carbon dioxide.

Question 39

What happens when you burn magnesium?

Answer 39

Bright white light and white ash

Question 40

What happens when you burn iron?

Answer 40

Orange sparks

Question 41

What happens when you burn copper?

Answer 41

Copper turns black

Question 42

What is the equation for burning metal?

Answer 42

Metal + oxygen = metal oxide.

Question 43

Order of reactivity

Answer 43

``` Potassium Sodium Lithium Calcium Magnesium Aluminium Zinc Iron Tin Copper Silver Gold ```