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Question 1

In the periodic table the horizontal rows are called the …

Answer 1

Periods.

Question 2

The vertical columns are called the

Answer 2

Groups.

Question 3

Elements in the same group have …

Answer 3

Similar properties

Question 4

The non-metal elements are found on what side of the periodic table?

Answer 4

They are found on the right side of the periodic table.

Question 5

Facts about 0 elements.

Answer 5

• The boiling point of argon is about 185 degrees.
• The boiling point increases as you go down the group.
• The elements are all gases at room temperature.

Question 6

Hydrogen

Answer 6

H

Question 7

Iodine

Answer 7

I

Question 8

Potassium

Answer 8

K

Question 9

Sodium

Answer 9

Na

Question 10

Copper

Answer 10

Cu

Question 11

When group 1 elements react with water they make ______gas and a metal hydroxide. For example calcium + water —> Calcium hydroxide + _______. The gas moves the reacting element around on the surface of the water . The reactions get ____ vigorous going down the ____.

Answer 11

1. hydrogen
2. hydroxide
3. hydrogen
4. move
5. group

Question 12

Group 1 
Li = 
K = 
Cs = 
Na = 
Rb = 
Fr =

Answer 12

Lithium 
Potassium 
Calcium
Sodium 
Rubidium 
Francium

Question 13

Group 1
Li =
K = 
Cu = 
Na = 
Rs = 
Fr =

Answer 13

180
64 
1083
98
39
1793

Question 14

Group 1 elements are …

Answer 14

A good conductor of heat and electricity.

Question 15

Group 0 
He =
Ne = 
Ar = 
Kr =
Xe = 
Rn =

Answer 15

Helium 
Neon 
Aragon
Krypton
Xenon
Radon

Question 16

Group 0 Boiling points 
He = 
Ne = 
Ar = 
Kr = 
Rn =

Answer 16

Group 0 Boiling points 
He = -260
Ne = -246
Ar = -186
Kr = -152
Rn = -108

Question 17

Melting point ….

Answer 17

Increases as you go down the table.

Question 18

The noble gases …

Answer 18

The noble gases are non metals.

Question 19

Strong acids have a…

Answer 19

Low pH

Question 20

Water is neutral and has a pH of…

Answer 20

7

Question 21

Strong alkalis have

Answer 21

High pH

Question 22

Weak acid + weak acid =
Strong acid + weak alkali =
Weak acid + strong alkali =
Strong acid + strong alkali =

Answer 22

= neutral.
= weak acid.
= weak acid.
= neutral.

Question 23

Combustion chemical reaction

Answer 23

Carbon + oxygen = carbon dioxide

Question 24

Displacement chemical reaction

Answer 24

Potassium + sodium chloride —> Potassium chloride + sodium.

Question 25

What pH is neutral?

Answer 25

7

Question 26

All metals are what at room temperature?

Answer 26

All metals are solid at room temperature, except for mercury.

Question 27

How many non-metals are gases at room temperature?

Answer 27

11 nonmetals are gases at room temperature e.g. hydrogen and nitrogen.

Question 28

What non-metal is a liquid ?

Answer 28

Bromine

Question 29

All the other non-metals or nonmetals are solid at room temperature e.g. carbon.

Answer 29

All the other non-metals and nonmetals are solids at room temperature e.g. carbon.

Question 30

Metals

Answer 30

``` Shiny when freshly cut. Malleable (they can be bent without breaking). Good conductors of heat and electricity. Hard and strong. Most metals have a high density. ```

Question 31

Non-metals

Answer 31

``` Dull (not shiny). Brittle (Break or smash easily). Insulators (Poor conductors of heat and electricity). They are weak. Most non-metals have a low density. ```

Question 32

What is the control variable?

Answer 32

The one that you should keep the same.

Question 33

What is the independent variable?

Answer 33

The one you change.

Question 34

What is the dependent variable?

Answer 34

The one you measure.

Question 35

An exothermic reaction is what ?

Answer 35

An exothermic reaction is one in which energy is given out, usually as heat or light.

Question 36

An endothermic reaction is what?

Answer 36

And endothermic reaction is one in which energy is taken in, usually as heat.