Group 2A & 2B Flashcards

1
Q

The Alkaline Earth Metals

A

Beryllium, Magnesium, Calcium, Strontium, Barium, Radium

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2
Q

Beryllium

A

Be

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3
Q

Magnesium

A

Mg

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4
Q

Calcium

A

Ca

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5
Q

Stronium

A

Sr

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6
Q

Barium

A

Ba

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7
Q

Radium

A

Ra

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8
Q

What is the least metallic in the alkaline earth metals

A

Beryllium

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9
Q

The only one used as much as metal

A

Magnesium

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10
Q

It is quite rare and costly

A

Beryllium

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11
Q

Alkaline Earth Metal that are too reactive

A

Calcium, Strontium, Barium

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12
Q

Alkaline Earth Metals that only occurs as radioactive species

A

Radium

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13
Q

How many valence electrons does Alkaline Earth Metals lose

A

Two valence, 2+ ions

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14
Q

Alkaline Earth Metals are strong reducing agents except

A

Beryllium

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15
Q

The chemical activity of alkaline earth metals increases as?

A

Atomic radius increases

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16
Q

Alkaline earth metals combine directly with

A

Oxygen, Halogens, Nitrogen, Sulfur, and Hydrogen

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17
Q

What alkaline earth metals react with cold water

A

Calcium, Strontium, Barium

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18
Q

Magnesium reacts with ?

A

Steam

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19
Q

When Magnesium reacts with steam, what does it liberate

A

Hydrogen gas and alkaline solution

20
Q

Ampotheric

A

Beryllium Oxide

21
Q

What does amphoteric mean

A

Can be both acid or base

22
Q

Hydroxide increase in strength as

A

As bases going down the group

23
Q

Oxide chemical equation of alkaline earth metal

A

2M+O[2]->2MO

24
Q

Halide chem equation of group 2 a

A

M+X[2]->MX[2]

25
Q

Nitride chem equation of group 2 a

A

3M+N[2]->M[3]N[2]

26
Q

Sulfide chem equation of group 2 a

A

M+S->MS

27
Q

Hydride chem equation of group 2 a

A

M+H[2]->MH[2]

28
Q

Group 2A metals that reacts with H

A

Ca Sr Ba

29
Q

Alkaline earth metal plus 2 water atoms yield to ?

A

Metal hydroxide plus hydrogen gas

30
Q

The zinc family

A

Zinc, Cadmium, Mercury

31
Q

Zinc

A

Zn

32
Q

Cadmium

A

Cd

33
Q

Mercury

A

Hg

34
Q

Soft metals

A

Zinc and Cadmium

35
Q

Mercury is also known as

A

Quicksilver, liquid metal

36
Q

The zinc family is also classified as

A

Terminal elements

37
Q

Hg^2+

A

Mercuric

38
Q

Hg[2]^2+

A

Mercurous

39
Q

Zinc family reacts with

A

Halogens, oxygen, nitric acid, and other common oxidizing agents

40
Q

Zinc family readily form ?

A

Complex ions and coordination compounds

41
Q

Complex ions formed by the zinc family

A

Amines, Cyano-, halo-

42
Q

The oxides and hydroxides of zinc family are

A

Are weak bases

43
Q

Amphoteric in the zinc family

A

Zn(OH)[2]

44
Q

Principal use of the zinc family metal

A

Preparation of alloys

45
Q

Common and important alloys

A

Brass containing copper and zinc
Bronze containing copper and tin

46
Q

Zinc family plus nitric acid yields to

A

Metal nitrate plus brown gas plus water or salt