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1
Q

In the periodic table the horizontal rows are called the โ€ฆ

A

Periods.

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2
Q

The vertical columns are called the

A

Groups.

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3
Q

Elements in the same group have โ€ฆ

A

Similar properties

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4
Q

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

A

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

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5
Q

Facts about 0 elements.

A
  • 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.
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6
Q

Hydrogen

A

H

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7
Q

Iodine

A

I

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8
Q

Potassium

A

K

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9
Q

Sodium

A

Na

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10
Q

Copper

A

Cu

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11
Q

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

A
  1. hydrogen
  2. hydroxide
  3. hydrogen
  4. move
  5. group
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12
Q
Group 1 
Li = 
K = 
Cs = 
Na = 
Rb = 
Fr =
A
Lithium 
Potassium 
Calcium
Sodium 
Rubidium 
Francium
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13
Q
Group 1
Li =
K = 
Cu = 
Na = 
Rs = 
Fr =
A
180
64 
1083
98
39
1793
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14
Q

Group 1 elements are โ€ฆ

A

A good conductor of heat and electricity.

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15
Q
Group 0 
He =
Ne = 
Ar = 
Kr =
Xe = 
Rn =
A
Helium 
Neon 
Aragon
Krypton
Xenon
Radon
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16
Q
Group 0 Boiling points 
He = 
Ne = 
Ar = 
Kr = 
Rn =
A
Group 0 Boiling points 
He = -260
Ne = -246
Ar = -186
Kr = -152
Rn = -108
17
Q

Melting point โ€ฆ.

A

Increases as you go down the table.

18
Q

The noble gases โ€ฆ

A

The noble gases are non metals.

19
Q

Strong acids have aโ€ฆ

A

Low pH

20
Q

Water is neutral and has a pH ofโ€ฆ

A

7

21
Q

Strong alkalis have

A

High pH

22
Q

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

A

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

23
Q

Combustion chemical reaction

A

Carbon + oxygen = carbon dioxide

24
Q

Displacement chemical reaction

A

Potassium + sodium chloride โ€”> Potassium chloride + sodium.

25
Q

What pH is neutral?

A

7

26
Q

All metals are what at room temperature?

A

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

27
Q

How many non-metals are gases at room temperature?

A

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

28
Q

What non-metal is a liquid ?

A

Bromine

29
Q

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

A

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

30
Q

Metals

A
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.
31
Q

Non-metals

A
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.
32
Q

What is the control variable?

A

The one that you should keep the same.

33
Q

What is the independent variable?

A

The one you change.

34
Q

What is the dependent variable?

A

The one you measure.

35
Q

An exothermic reaction is what ?

A

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

36
Q

An endothermic reaction is what?

A

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