Reactivity of Metals
Name:__________
Properties of oxides
Compound
Metal or non/metal
pH
Acid or alkali?
What pattern do you see in these results?
MgO
CaO
H2O2
Reaction of metals with water
The general equation for this reaction is
Examples
potassium
+
water
…………………..…………………………………
+
hydrogen
……………………… +
water
lithium hydroxide
+
………………………
sodium
………………………
…………………..…………………………………
+
………………………
+
Reaction with water
Metal
Potassium
Sodium
Magnesium
Copper
Zinc
Iron
Reaction with water
Reaction of metals with acid
The general equation for this reaction is
Test for hydrogen gas
Insert a lighted splint into the
reaction test tube.
If it extinguishes with a "pop"
sound, hydrogen is present.
The duller the pop the purer
the hydrogen is.
Examples
magnesium
+
nitric acid
…………………..…………………………………
+
hydrogen
……………………… +
hydrochloric acid
lithium chloride
+
………………………
calcium
sulphuric acid
…………………..…………………………………
+
………………………
+
Reaction with acid
Metal
Potassium
Reaction with acid
List of metals in order of reactivity
MOST REACTIVE
………………………………….
Sodium
………………………………….
………………………………….
Magnesium
………………………………….
Copper
………………………………….
………………………………….
Zinc
Iron
LEAST REACTIVE