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earth alkali metals (group 2)

earth alkali metals (group 2)

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•

Chemistry

•

8th Grade

•

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8 Slides • 28 Questions

1

earth alkali metals (group 2)

by hanan khalil

2

​global citizen

  • ​usage of earth alkali

media

3

​

​

media

4

​engaging :

​write the electronic structure of Be, Mg ,Ca ?

​what is the pattern ?

5

​

​

media

6

​

​

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7

Multiple Choice

Which of the following is NOT an alkali metal?

1

Li

2

Mg

3

K

4

Cs

8

Multiple Choice

Alkali earth metals are found in which group of the periodic table?

1

Group 1

2

Group 2

3

Group 7

4

group 8

9

Multiple Choice

Which of the following is NOT an alkali earth metal?

1

Be

2

Mg

3

Ca

4

Sn

10

Multiple Choice

what is the valancy of group 2 ?

1

1

2

2

3

3

4

4

11

Multiple Choice

earth alkali metals make ..............ion

1

+2

2

+1

3

_1

4

+1

12

Multiple Choice

earth alkali metals have ................properties

1

same because they are in the same group

2

different because they are in the same group

3

same because they are in the same period

4

different because they are in the same period

13

​chemical properties :

​reaction with water

​watch video

media

14

Multiple Choice

--------------------- is released when earth alkali metal react with water

1
Hydrogen
2
Oxygen
3
Metahne
4
Carbon di oxide

15

Multiple Choice

What happens to the reactivity of the ear alkali metals as you move down the group?

1

increases

2

decreases

16

Multiple Select

Which of the following are earth alkali metals

1

Sodium

2

Caesium

3

Francium

4

Calcium

5

Potassium

17

Multiple Choice

Reactivity is a(n) ________property of Metal
1
Chemical Property
2
Physical Property

18

Multiple Choice

Question image
What is Reactivity?
1
The characteristics of a substance that can be observed without changing the identity of the substance.
2
A property making a substance react with certain substances
3
When a substance combines with another to form a new substance.
4
I really don't know at all.

19

Multiple Choice

The family in the periodic table that contains the most reactive metals is the_______
1
Alkaline Earth Metals
2
Transition Metals 
3
Alkali Metals
4
Other Metals

20

Multiple Choice

Universal indicator would turn which colour when water reacts with the alkali metals?

1

Red

2

Green

3

Blue

4

Purple

21

Multiple Choice

An alloy is....

1

A metal-containing rock found naturally in the earth

2

Two or more metals joined together

3

A substance which turns universal indicator purple

4

An unreactive metal found pure in the earth

22

Multiple Choice

What is the main trend observed in group 2 metals?

1

Easily decompose

2

Increases in reactivity downwards

3

Increases in reactivity upwards

4

Becomes denser downwards

23

Multiple Choice

Reactivity is a(n) ________property of Metal
1
Chemical Property
2
Physical Property

24

Multiple Choice

Which of the following is NOT a clue that a chemical change has occurred?
1
change in color
2
production of gas
3
change in termperature
4
change in shape

25

Multiple Choice

Question image
What is Reactivity?
1
The characteristics of a substance that can be observed without changing the identity of the substance.
2
A property making a substance react with certain substances
3
When a substance combines with another to form a new substance.
4
I really don't know at all.

26

Multiple Choice

The family in the periodic table that contains the most reactive metals is the_______
1
Alkaline Earth Metals
2
Transition Metals 
3
Alkali Metals
4
Other Metals

27

Multiple Choice

Reacts with metals to form H2.
1
Acids
2
Bases
3
All
4
Salts

28

Multiple Choice

What environmental element assists rusting?
1
nitrogen
2
carbon
3
oxygen
4
hydrogen

29

Multiple Choice

What is formed when sodium reacts with water?
1
sodium oxide and hydrogen
2
sodium hydroxide and hydrogen
3
sodium hydroxide and oxygen
4
sodium hydroxide and carbon dioxide

30

Multiple Choice

Question image
A rusting bicycle
1
physical change
2
chemical change

31

Multiple Choice

Which of the following is NOT an alkali metal
1
Li
2
Cl
3
K
4
Cs

32

Multiple Choice

What gas is always produced when a metal reacts with water?
1
Oxygen
2
Carbon Dioxide
3
Hydrogen
4
Carbon Monoxide

33

Multiple Choice

Universal indicator would turn which colour when water reacts with the alkali metals?

1

Red

2

Green

3

Blue

4

Purple

34

​reactivity with acid

​https://youtu.be/8qh5myTmcRs

​

media

35

Multiple Choice

Question image

which is more reactive with acid 

1

calcuim 

2

magnisuim

36

Multiple Choice

when metal react with acid ............ gas evolve

1

CO2

2

H2

3

H2o

4

none

earth alkali metals (group 2)

by hanan khalil

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