Cheminstry

Question 1

all matter is made up off

Answer 1

molecules

Question 2

chemistry is the study off

Answer 2

matter and its changes

Question 3

anything that has mass takes up

Answer 3

space

Question 4

all matter is made up of particles called

Answer 4

ATOMS`

Question 5

all atoms are made up of how many basic particles?

Answer 5

3

Question 6

what are the names of the three basic particles?

Answer 6

proton, neutron, electron

Question 7

what is in the centre of an atom

Answer 7

nucleus

Question 8

two or more atoms that are joined together are called

Answer 8

molecules

Question 9

atoms of two or more elements joined together are called

Answer 9

compounds

Question 10

what state of matter has low kinetic energy

Answer 10

solid

Question 11

the state of matter that has definitive volume but takes the shape of the container

Answer 11

liquid

Question 12

a state of matter when the particles begin pumping and pushing each other further and further apart is called

Answer 12

gas

Question 13

in each state of matter, molecules are always in

Answer 13

motion

Question 14

molecules move the fastest in which state of matter

Answer 14

gas

Question 15

what state of matter has definite volume and definite shape

Answer 15

solid

Question 16

what happens when solids melt

Answer 16

the molecules expand

Question 17

what happens when water freezes

Answer 17

the water expands

Question 18

whats denser liquid or solid

Answer 18

solid is more denser