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When magnesium reacts with dilute hydrochloric acid, hydrogen gas and magnesium chloride are produced.
An order of reactivity, known as a reactivity series, can be produced by measuring the rate of evolution of oxygen gas in metal reactions with acid.
Magnesium burns brightly in oxygen to form magnesium oxide.
Sodium reacts with cold water to produce sodium hydroxide and oxygen gas.
Magnesium, zinc, and iron react rapidly with water.
The most reactive metal has the lowest tendency to lose outer electrons.
In metal reactions with air/oxygen, magnesium forms magnesium chloride.
Sodium reacts with steam to produce sodium oxide and hydrogen gas.
Metals that readily lose outer electrons are less reactive in reactions with other substances.