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Reaction of Group 2 elements with Oxygen and Water

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created 6 years ago by rlamb2
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AS CIE Chemistry

updated 6 years ago by rlamb2

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1

Element: BERYLLIUM

Reaction with Oxygen and Equation?
Reaction with Water and Equation?

REACTION WITH OXYGEN:
Reluctant to burn, white flame
2Be + O2 -> 2BeO

REACTION WITH WATER:
No Reaction

2

Element: MAGNESIUM

Reaction with Oxygen and Equation?
Reaction with Water and Equation?

REACTION WITH OXYGEN:
Burn easily with a bright white flame
2Mg + O2 -> 2MgO

REACTION WITH WATER:
Reacts vigorously with steam but only slowly in water
Mg + 2H2O -> Mg(OH)2 + H2

3

Element: CALCIUM

Reaction with Oxygen and Equation?
Reaction with Water and Equation?

REACTION WITH OXYGEN:
Difficult to ignite, flame tinged with red
2Ca + O2 -> 2CaO
REACTION WITH WATER:
Reacts moderately with water to form the hydroxide
Ca + 2H2O -> Ca(OH)2 + H2

4

Element: STRONTIUM

Reaction with Oxygen and Equation?
Reaction with Water and Equation?

REACTION WITH OXYGEN:
Difficult to ignite, flame tinged with red
2Sr + O2 -> 2SrO
REACTION WITH WATER:
Reacts radidly with water forming the hydroxide
Sr + 2H2O -> Sr(OH)2 + H2

5

Element: BARIUM

Reaction with Oxygen and Equation?
Reaction with Water and Equation?

REACTION WITH OXYGEN:
Difficult to ignite, flame tinged with green
REACTION WITH WATER:
Reacts vigorously with water forming the hydroxxide
Ba + 2H2O -> Ba(OH)2 + H2


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