Question 1

What is the definition of an element?

Accepted Answer

a substance made up of one type of atom only

Answer

a substance made up of more than one element not chemically joined

Answer

smallest part of an element which can exist

Answer

a substance made up of more than one type of atom chemically bonded

Question 2

What is the definition of an atom?

Accepted Answer

smallest part of an element which can exist

Answer

a substance made up of more than one type of atom chemically bonded

Answer

a substance made up of more than one element not chemically joined

Answer

a substance made up of one type of atom only

Question 3

What is the definition of a compound?

Accepted Answer

a substance made up of more than one type of atom chemically bonded

Answer

a substance made up of one type of atom only

Answer

smallest part of an element which can exist

Answer

a substance made up of more than one element not chemically joined

Question 4

What is the definition of a mixture?

Accepted Answer

a substance made up of more than one element/compound not chemically joined

Answer

a substance made up of more than one type of atom chemically bonded

Answer

smallest part of an element which can exist

Answer

a substance made up of one type of atom only

Question 5

What does diatomic mean?

Accepted Answer

two atoms chemically bonded

Answer

two elements chemically bonded

Question 6

what is the charge of an electron?

Accepted Answer

-1

Answer

+1

Answer

0

Question 7

what is the charge of a proton?

Accepted Answer

+1

Answer

0

Answer

-1

Question 8

what is the charge of a neutron?

Accepted Answer

0

Answer

-1

Answer

+1

Question 9

what is the mass of an electron?

Accepted Answer

0

Answer

1

Question 10

what is the mass of a proton?

Accepted Answer

1

Answer

0

Question 11

what is the mass of a neutron?

Accepted Answer

1

Answer

0

Question 12

when do you use -ate?

Accepted Answer

three elements, metals, oxygen and another element

Answer

two elements, metals and non metals

Answer

two elements, metals and non metals

Question 13

when do you use -ide?

Accepted Answer

two elements, metals and non metals

Answer

three elements, metals, oxygen and another element

Question 14

non metals are on the ________ side

Accepted Answer

right

Question 15

metals are on the ________ side

Accepted Answer

left

Question 16

properties of metals

Accepted Answer

lustrous, sonorous, high melting and boiling point (solids at room temperature), high density, good electrical and thermal conductors, ductile, malleable

Answer

brittle, low density, low melting and boiling point (gases/liquids at room temperature), poor conductors

Question 17

Ductile

Accepted Answer

can be drawn into wires

Answer

makes a noise when hit

Answer

can be bent into shape

Question 18

lusturous

Accepted Answer

shiny

Answer

makes a noise when hit

Answer

can be bent into shape

Answer

can be drawn into wires

Question 19

malleable

Accepted Answer

can be bent into shape

Answer

makes a noise when hit

Answer

can be drawn into wires

Question 20

sonorous

Accepted Answer

makes a noise when hit

Answer

can be bent into shape

Answer

can be drawn into wires

Question 21

liquid non metal at room temperature

Accepted Answer

bromine

Answer

mercury

Question 22

liquid metal at room temperature

Accepted Answer

mercury

Answer

bromine

Question 23

What is the name of group 7?

Accepted Answer

halogens

Answer

alkali metals

Question 24

What is the name of group 1?

Accepted Answer

alkali metals

Answer

halogens

Question 25

Metal + oxygen

Accepted Answer

metal oxide

Answer

metal hydroxide + hydrogen

Question 26

Metal + water

Accepted Answer

metal hydroxide + hydrogen

Answer

metal oxide

Question 27

Why are group 1 metals called alkali metals?

Accepted Answer

they react with water to form an alkaline solution

Answer

they react with oxygen to form an alkaline solution

Question 28

What do you see when an alkali metal is placed in water?

Accepted Answer

Bubbling/fizzing (because of hydrogen), a flame, metal floats on water

Answer

Bubbling/fizzing (because of hydrogen), a flame, metal sinks in water

Question 29

Why do alkali metals not remain shiny for long after being cut?

Accepted Answer

they react with oxygen in the air and become dull

Answer

they react with nitrogen in the air and become dull

Question 30

Properties of alkali metals

Accepted Answer

shiny when cut, soft, solid at room temperature, reactive, floats on water (not dense)

Answer

shiny when cut, soft, solid at room temperature, reactive, sinks in water ( dense)

Question 31

Reactivity of halogens...

Accepted Answer

decrease down the group

Answer

increase down the group

Question 32

colour and state of iodine at room temperature

Accepted Answer

black solid

Answer

orange brown liquid

Answer

green gas

Answer

yellow gas

Question 33

colour and state of fluorine at room temperature

Accepted Answer

yellow gas

Answer

orange brown liquid

Answer

green gas

Answer

black solid

Question 34

colour and state of chlorine at room temperature

Accepted Answer

green gas

Answer

black solid

Answer

orange brown liquid

Answer

yellow gas

Question 35

colour and state of bromine at room temperature

Accepted Answer

orange brown liquid

Answer

green gas

Answer

black solid

Answer

yellow gas

Question 36

Reactivity of alkali metals...

Accepted Answer

increase down the group

Answer

decrease down the group

Question 37

halogens exists as

Accepted Answer

diatomic molecules

Answer

triatomic molecules

Question 38

melting and boiling points ______________ down group 7

Accepted Answer

increases

Answer

decreases

Question 39

group 0 elements

Accepted Answer

noble gases

Answer

halogens

Question 40

neon

Accepted Answer

produces coloured light when electricity goes through it

Answer

used for balloons because less dense than air

Answer

light bulb unreactive and not flammable

Question 41

helium

Accepted Answer

used for balloons because less dense than air

Answer

unreactive and not flammable

Answer

produces coloured light when electricity goes through it

Question 42

argon

Accepted Answer

light bulb unreactive and not flammable

Answer

unreactive and not flammable

Answer

produces coloured light when electricity goes through it

Answer

used for balloons because less dense than air

Question 43

Noble gases are unreactive because

Accepted Answer

they have a full outer shell and are stable

Answer

they have a full outer shell and aren't stable

Question 44

What do halogens do when they react?

Accepted Answer

gain an electron

Answer

lose an electron

Question 45

metal carbonate + acid

Accepted Answer

salt + water + carbon dioxide

Answer

salt + water

Question 46

metal oxide + acid

Accepted Answer

salt + water

Answer

salt + water + carbon dioxide

Question 47

metal hydroxide + acid

Accepted Answer

salt + water

Answer

salt + water + carbon dioxide

Question 48

salt from nitric acid

Accepted Answer

nitrate

Answer

chloride

Answer

sulphate

Question 49

salt from hydrochloric acid

Accepted Answer

chloride

Answer

sulphate

Answer

nitrate

Question 50

salt from sulphuric acid

Accepted Answer

sulphate

Answer

nitrate

Answer

chloride

Question 51

salt has

Accepted Answer

two words - metal and acid ending

Answer

two words - acid ending and metal

Question 52

period

Accepted Answer

row

Answer

column

Question 53

group

Accepted Answer

column

Answer

row

Question 54

period number

Accepted Answer

how many shells

Answer

number of electrons in last shell

Question 55

group number

Accepted Answer

number of electrons in last shell

Answer

how many shells

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