Matter Revision

Question 1

How many elements are in H20?

Answer 1

2

Question 2

What does malleable mean?

Answer 2

It means it can be hammered into any shape

Question 3

What does ductile mean?

Answer 3

It can be stretched into any shape

Question 4

Write the elements the following compounds are made from?

Iron Sulfide

Answer 4

FeS

Question 5

Lithium Flouride

Answer 5

LiF

Question 6

What is a trend?

Answer 6

An ordered pattern or sequence

Question 7

What is a displacement?

Answer 7

Removal of something from its position

Question 8

What is Reactivity?

Answer 8

How reactive something is

Question 9

What is a Halogen?

Answer 9

A group 7 non metal element

Question 10

State a fact for a group 7 element

Answer 10

They have low melting points and do not conduct electricity

Question 11

What two elements are a liquid at room temperature?

Answer 11

Bromine and Mercury

Question 12

What do you do with an independent variable?

Answer 12

You change it

Question 13

What do you do with a dependent variable?

Answer 13

You measure it

Question 14

What do you do with a control variable?

Answer 14

You keep it the same