Matter

Question 1

What is an element?

Answer 1

A substance that all other materials are made up of. The atoms inside are all identical.

Question 2

What is an atom?

Answer 2

An atom is the smallest part of an element

Question 3

What is meant by a compound?

Answer 3

A compound is two or more elements that are chemically bonded together.

Question 4

What is a mixture?

Answer 4

A mixture is two or more elements that can be separated. ( They are not chemically bonded)

Question 5

A polymer is a …

Answer 5

A long chain of monomers.

Question 6

Name the first 20 elements of the periodic table.

Answer 6

Hydrogen and Helium
Then Lithium, Beryllium
Boron, Carbon everywhere
Nitrogen all through the air

With Oxygen so you can breathe
And Fluorine for your pretty teeth
Neon to light up the signs
Sodium for salty times

MAGNESIUM, Aluminum, Silicon, PHOSPHORUS
Then Sulfur, Chlorine, and Argon

Question 7

How does the reactivity of group 1 change?

Answer 7

The elements of group one increase in reactivity as you go down.

Question 8

What group am I referring to if I say ‘Halogens’?

Answer 8

Group 7 are called the halogens.

Question 9

The vertical columns in the periodic table are called the…..

Answer 9

Groups

Question 10

The horizontal columns are called the …

Answer 10

Periods

Question 11

The noble gases are group number…

Answer 11

0

Question 12

Noble Gases are ______________ at room temperature.

Answer 12

Noble gases are colourless at room temperature.

^^^^^^^^^^^

Question 13

All materials are made of one or more ______________.

Answer 13

Elements

Question 14

The independent variable is the

Answer 14

Thing we change.

I for I change.

Question 15

Dependent variables are the

Answer 15

Thing we measure

Question 16

Control variables are the things we are

Answer 16

Going to keep the same.

Question 17

A hypothesis is….

Answer 17

Like a prediction, it is an educated guess

Question 18

List 2 things about a line of best fit.

Answer 18

It should go through as many points as possible, if not have the same amount on each side on the line.
Draw it with a ruler if it needs to be straight but you are allowed to draw freehand curves.

Question 19

What is bias?

Answer 19

Bias is when views of an experiment affect the outcome or a journalist favours a certain outcome.

Question 20

Primary data is

Answer 20

Data that has been collected from first hand experience

Question 21

Secondary data is

Answer 21

Data that has been collected by someone other than the user.

Question 22

What charge do Electrons have?

Answer 22

Negative

Question 23

what charge do Protons have?

Answer 23

Positive

Question 24

Neutrons are

Answer 24

Neutral

Question 25

The first shell on an atom can hold ................ electrons the rest can hold up to 8.

Answer 25

2

Question 26

Properties are.

Answer 26

Properties are attributes, qualities or characteristics of something

Question 27

A salt is a

Answer 27

Compound made from the elements of sodium or chlorine.

Question 28

Naming compounds: What should the compound end in if it contains two elements?

Answer 28

If a compound has two different elements in it it will end in IDE

Question 29

If the compound has three different elements in it it will end in…

Answer 29

If the compound has three different elements in it and one of them is oxygen and the compound ends in ATE