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Alkali metals and Halogens

Total questions: 58

Worksheet time: 28mins

Name
Class
Date
1.
Alkali metals are found in which group of the periodic table?
a)
Group 1
b)
Group 2
c)
Group 7
d)
group 8 
2.
Which of the following is the most reactive in water?
a)
Lithium
b)
Sodium
c)
Potassium
3.
What is formed when sodium reacts with water?
a)
sodium oxide and hydrogen
b)
sodium hydroxide and hydrogen
c)
sodium hydroxide and oxygen
d)
sodium hydroxide and carbon dioxide
4.
What is the symbol equation for the reaction between sodium hydroxide and water?
a)
2Na + 2H2O → 2NaOH + H2
b)
Na + H2O → NaOH + H
c)
Na + H20 → NaCl + CO2
d)
2Na + 2H2O → 2NaH2 + O2
5.
Which of the following statements is true?
a)
In a chemical reaction atoms are created
b)
In a chemical reaction atoms are destroyed
c)
In a chemical reaction the arrangement of the atoms is changed
d)
In a chemical reaction the arrangement of the atoms remains the same, but the physical state (solid,liquid,gas) changes
6.
Which of the following is NOT an alkali metal
a)
Li
b)
Cl
c)
K
d)
Cs
7.
What is another name for the elements in group 7?
a)
The Halogens
b)
The Noble gases
c)
The Oxides
d)
The Alkali Metals
8.
Which is the lightest alkali metal?
a)
Aluminium
b)
Hydrogen
c)
Lithium
d)
Potassium
9.
What is the atomic number of lithium
a)
1
b)
2
c)
3
d)
4
10.
When an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?
a)
True
b)
False
11.

Alkali are so reactive to air they are generally stored in what?

a)

Water

b)

Oil

c)

Vaults

d)

Cotton

e)

a vacuum

12.
True or False: All alkali metals have odd atomic numbers?
a)
True
b)
False
13.
True or false: Alkali Metals are so soft they can be cut with a knife?
a)
True
b)
False
14.
As Alkali Metals atomic number increases their melting point?
a)
Increases
b)
Decreases 
c)
Stays the same
15.
--------------------- is released when alkali metal react with water
a)
Hydrogen
b)
Oxygen
c)
Metahne
d)
Carbon di oxide
16.

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

a)

increases

b)

decreases

17.

Which alkali metal is the least reactive?

a)

lithium

b)

sodium

c)

potassium

d)

rubidium

18.

When group 1 metals react with water they produce what kind of solution

a)

neutral

b)

acidic

c)

alkaline

d)

deionized

19.

Which of the following has the greatest density?

a)

Lithium

b)

Sodium

c)

Potassium

d)

Water

20.

Where are the"Halogens" located in periodic table?

a)

In 1A group

b)

In 2A group

c)

In 7A group

d)

In 8A group

21.

Which of the "Halogens" would be able to make the strongest ionic bond with Sodium metal?

a)

Iodine

b)

Bromine

c)

Chlorine

d)

Fluorine

22.

Which "Halogen" would be able to replace Chlorine in Sodium Chloride?

a)

Flourine

b)

Bromine

c)

Iodine

d)

Astatine

23.

What type of ions does Group 7 elements make?

a)

cation (+2)

b)

cation (+1)

c)

anion (-1)

d)

anion (-2)

24.

As you move down the group, halogens' reactivity...

a)

increases

b)

decreases

c)

doesn't change

d)

shows no trend.

25.
This group of elements react with metals to form salts. The react so quickly that they occur in nature as compounds
a)
Actinides
b)
Halogens
c)
Alkali Earth
d)
Lanthanides
26.

Which of the "Halogens" is found in liquid state at room temperature?

a)

Flourine

b)

Astatine

c)

Iodine

d)

Bromine

27.

What is the mean of the "halogens"?

a)

acid former

b)

salt former

c)

alkali former

d)

non metal former

28.

Which of the "Halogens" has yellowish green color?

a)

Chlorine

b)

Bromine

c)

Flourine

d)

Iodine

29.

Which of the followings is not a use of Chlorine?

a)

Swimming pool cleaner

b)

Drinking water disinfectant agent

c)

Sterilizer for surgeries and medical tools

d)

Beaching fabrics and papers

30.

Which of the "Halogens" is used to manufacture PVC polymer?

a)

Bromine

b)

Flourine

c)

Iodine

d)

Chlorine

31.

What is the volatile mineral acid which is used to clean metals, produce salts and to be used for production of some food and medicine?

a)

HCl

b)

HBr

c)

HF

d)

HI

32.

Which of the following Chlorine salt is used in fertilizers?

a)

BaCl2

b)

AlCl3

c)

NaCl

d)

KCl

33.

Which of the following Halogen Acids is strongest one?

a)

HF

b)

HCl

c)

HBr

d)

HI

34.

Which of the Halogen acids must be kept in plastic or rubber bottles to be stored?

a)

HCl

b)

HI

c)

HBr

d)

HF

35.

Alkali metals react with water to form:

a)

Water and metal hydroxide

b)

Water and metal oxide

c)

Metal hydroxide and oxygen

d)

Metal oxide

36.

What type of reaction is an alkali metal combining with water?

a)

Decomposition

b)

Exothermic

c)

Endothermic

d)

Displacement

37.
At room temperature, iodine is a....
a)
Gas
b)
Liquid
c)
Solid
38.

The nucleus of which halogen is best at attracting electrons?

a)

fluorine

b)

iodine

c)

bromine

d)

chlorine

39.

As you move down the group, halogens' reactivity...

a)

increases

b)

decreases

c)

doesn't change

d)

shows no trend.

40.

Which statement is true about halogens?

a)

Form covalent compounds with other non-metallic elements

b)

A less reactive halogen will displace a more reactive element form its ionic salt

c)

Form ionic compound with hydrogen

d)

form negative ion of charge -2

41.

The process by which solid iodine particles change directly to gas without first becoming a liquid is called ____.

a)

evaporation

b)

ionization

c)

condensation

d)

sublimation

42.

Fluorine and Chlorine are ____________at room temperature.

a)

gases

b)

liquids

c)

solids

d)

amorphous

43.

Bromine is _____________ at room temperature.

a)

gas

b)

liquid

c)

solid

d)

none

44.

The melting and boiling points of halogens:

a)

decrease down the group

b)

increase down the group

c)

remain constant

d)

none

45.

The atomic number and atomic mass of halogens:

a)

increase down the group

b)

decrease down the group

c)

remains constant

d)

none

46.

Halogens have _________ electrons in their outermost shell.

a)

2

b)

7

c)

8

d)

18

47.

Halogens mean:

a)

water formers

b)

salt formers

c)

acids

d)

bases

48.

Halogens exist in the:

a)

monoatomic state

b)

diatomic state

c)

triatomic state

d)

none

49.

______________is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools.

a)

Fluorine

b)

Chlorine

c)

Bromine

d)

Iodine

50.

A displacement reaction involves...

a)

a solution turning brown or yellow.

b)

a less reactive element taking the place of a more reactive element.

c)

a dislocated hip.

d)

a more reactive element taking the place of a less reactive element.

51.

Would a displacement reaction occur for Bromine + Potassium Iodide?

a)

Yes

b)

No

c)

Maybe

52.

Would a displacement reaction occur for Iodine + Potassium Bromide?

a)

Yes

b)

No

c)

Maybe

53.

As you go down the group, how does the boiling point of the halogen elements change?

a)

Increases

b)

Decreases

c)

They're all about the same

54.

Which four numbers a, b, c and d are required to balance the equation?

a Cl2(aq) + b KI(aq) ==> c KCl(aq) + d I2(aq)

a)

2 1 1 2

b)

1 2 2 1

c)

2 1 2 1

d)

1 2 1 2

55.

Which alkali metal is most reactive out of the following

a)

rubidium

b)

potassium

c)

sodium

d)

lithium

56.

How does a group 1 metal atom form an ion?

a)

lose 1 electron

b)

lose 2 electrons

c)

gain 1 electron

d)

gain 2 electrons

57.

Which of the following is NOT a property of group 1 metals?

a)

More dense than water

b)

less dense than water

c)

low melting point

d)

soft

58.

What is the formula of a group 1 metal oxide?

a)

M2O

b)

MO

c)

MO2

d)

Mo

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