The list shows some metals in reactivity series order with the most reactive at the top - Edexcel - GCSE Chemistry - Question 1 - 2012 - Paper 1
Question 1
The list shows some metals in reactivity series order with the most reactive at the top.
most reactive
calcium
magnesium
aluminium
zinc
iron
copper
gold
least react... show full transcript
Worked Solution & Example Answer:The list shows some metals in reactivity series order with the most reactive at the top - Edexcel - GCSE Chemistry - Question 1 - 2012 - Paper 1
Step 1
Which of these metals can be found as the uncombined metal in the Earth’s crust?
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Answer
The metal that can be found as an uncombined metal in the Earth's crust is B gold. Gold is less reactive than the metals above it in the reactivity series and can exist in its elemental form.
Step 2
State the meaning of the term reduction.
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Answer
Reduction is a chemical process that involves the gain of electrons by an atom or ion. It is often associated with the removal of oxygen from a compound or the addition of hydrogen.