Free Printable IDENTIFY THE GROUP

1.

one valence electron

a)

1A

b)

2A

c)

3A

d)

4A

2.

easily removed

a)

1A

b)

2A

c)

3A

d)

4A

3.

–ease of removal increases as atomic size increases; ionization is easy

a)

1A

b)

2A

c)

3A

d)

4A

4.

most reactive of all metals

a)

1A

b)

2A

c)

3A

d)

4A

5.

cations are stable chemically and the free elements are not found in nature

a)

1A

b)

2A

c)

3A

d)

4A

6.

–found in combination with other metals;

only occur as compounds

a)

1A

b)

2A

c)

3A

d)

4A

7.

they form white solid hydrides readily when heated in hydrogen gas

a)

1A

b)

2A

c)

3A

d)

4A

8.

high affinity for oxygen to readily form oxides

a)

1A

b)

2A

c)

3A

d)

4A

9.

react vigorously with water to form hydrogen gas and a metallic hydroxide –for this reason, the metals are stored under kerosene and coated with paraffin or other protective procedures

a)

1A

b)

2A

c)

3A

d)

4A

10.

in liquid ammonia form a blue solution

a)

1A

b)

2A

c)

3A

d)

4A

11.

Bivalent cations

a)

1A

b)

2A

c)

3A

d)

4A

12.

Form ionic salts and oxides

a)

1A

b)

2A

c)

3A

d)

4A

13.

attacked by oxygen to form oxides and metals

a)

1A

b)

2A

c)

3A

d)

4A

14.

Salts formed are generally insoluble except for hydroxides

a)

1A

b)

2A

c)

3A

d)

4A

15.

salts are hydrates

a)

1A

b)

2A

c)

3A

d)

4A

16.

Tendency to form covalent bonds

a)

1A

b)

2A

c)

3A

d)

4A

17.

Readily oxidized when heated in air, although stable at room temperature

a)

1A

b)

2A

c)

3A

d)

4A

18.

Oxides are readily reduced back to the free metal

a)

1A

b)

2A

c)

3A

d)

4A

19.

React readily with S and halogens and oxygen

a)

1A

b)

2A

c)

3A

d)

4A

20.

Hydroxides show amphoteric properties (except B and Tl)

a)

1A

b)

2A

c)

3A

d)

4A

21.

Have a maximum valence of 4 but others have 2 or 2 and 4

a)

1A

b)

2A

c)

3A

d)

4A

22.

Reacts moderately with oxygen

a)

1A

b)

2A

c)

3A

d)

4A

23.

Halides are volatile

a)

1A

b)

2A

c)

3A

d)

4A

24.

Hydroxides are weak acids

a)

1A

b)

2A

c)

3A

d)

4A

25.

Valence is +3, +5

a)

5A

b)

6A

c)

7A

d)

8A

26.

Capable of forming both ionic and covalent bonds

a)

5A

b)

6A

c)

7A

d)

8A

27.

Form hydrides with hydrogen

a)

5A

b)

6A

c)

7A

d)

8A

28.

Hydrides, except NH3, tend to be flammable and are poisonous.

a)

5A

b)

6A

c)

7A

d)

8A

29.

Readily react with oxygen to form oxides

a)

5A

b)

6A

c)

7A

d)

8A

30.

Readily form pentahalides

a)

5A

b)

6A

c)

7A

d)

8A

31.

Readily form sulfides which are highly colored –used as pigments/ dyes

a)

5A

b)

6A

c)

7A

d)

8A

32.

Are among the most electronegative elements of the periodic table

a)

5A

b)

6A

c)

7A

d)

8A

33.

Elements are nonmetallic

a)

5A

b)

6A

c)

7A

d)

8A

34.

Can form binary compounds with other members of the family, eg. SO2, SeS

a)

5A

b)

6A

c)

7A

d)

8A

35.

Form hydrides (RH2) eg. H2O, H2S that are highly odoriferous and poisonous, except water

a)

5A

b)

6A

c)

7A

d)

8A

36.

With 6 valence electrons

a)

5A

b)

6A

c)

7A

d)

8A

37.

Most electronegative elements

a)

5A

b)

6A

c)

7A

d)

8A

38.

Valence -1, +5, +7

a)

5A

b)

6A

c)

7A

d)

8A

39.

Physical state changes as atomic number increases;

a)

5A

b)

6A

c)

7A

d)

8A

40.

React with hydrogen at a decreasing rate to form hydrides

a)

5A

b)

6A

c)

7A

d)

8A

41.

When dissolved in water, the hydrides form gases.

a)

5A

b)

6A

c)

7A

d)

8A

42.

Oxides react with water to form acids

a)

5A

b)

6A

c)

7A

d)

8A

43.

Except for He, all are filled with 8e- at the last orbital, hence stable and inert

a)

5A

b)

6A

c)

7A

d)

8A

44.

Unreactive

a)

5A

b)

6A

c)

7A

d)

8A

45.

One electron in the valence shell followed by 18 electrons in the next shell

a)

1B

b)

2B

c)

3B

d)

4B

46.

Exist in polyvalent state

a)

1B

b)

2B

c)

3B

d)

4B

47.

They form covalent bonds especially with the halides

a)

1B

b)

2B

c)

3B

d)

4B

48.

Occur in the free metallic state, thus are relatively easy to recover from their ores and are very malleable

a)

1B

b)

2B

c)

3B

d)

4B

49.

Weakly basic

a)

1B

b)

2B

c)

3B

d)

4B

50.

Divalent,

a)

1B

b)

2B

c)

3B

d)

4B

51.

Forms ionic and covalent bonds

a)

1B

b)

2B

c)

3B

d)

4B

52.

Oxides are stable –decreasing as atomic number increases

a)

1B

b)

2B

c)

3B

d)

4B

53.

Form complex ions

a)

1B

b)

2B

c)

3B

d)

4B

54.

Hydroxides formed are very weak

a)

1B

b)

2B

c)

3B

d)

4B

55.

Trivalent but the Lanthanide series have +3 or +4 valence

a)

1B

b)

2B

c)

3B

d)

4B

56.

Valence is +2, +3, +4

a)

1B

b)

2B

c)

3B

d)

4B

57.

Tetravalent compounds are colorless, lower valences produce colored salts

a)

1B

b)

2B

c)

3B

d)

4B

58.

Forms stable complexes with halides

a)

1B

b)

2B

c)

3B

d)

4B

59.

Occur in nature only in the combined state

a)

1B

b)

2B

c)

3B

d)

4B

60.

–Oxidation states +2 to +5

a)

5B

b)

6B

c)

7B

d)

8B

61.

they are unreactive or inert, hence used for corrosion-resistant applications in medicine

a)

5B

b)

6B

c)

7B

d)

8B

62.

React with oxygen to form oxides –have a tendency to unite with oxygen and in such form replace the H of acids to form salts

a)

5B

b)

6B

c)

7B

d)

8B

63.

Low oxidation state oxides are very basic while the higher ones are acidic

a)

5B

b)

6B

c)

7B

d)

8B

64.

Valence: +2, +3, +4, +6, +8

a)

5B

b)

6B

c)

7B

d)

8B

65.

Iron groups form simple cations while platinum groups form complex cations

a)

5B

b)

6B

c)

7B

d)

8B

IDENTIFY THE GROUP

Total questions: 65

Worksheet time: 33mins

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