Extracting metals from their ores
1 mark · EasyName one metal that can be found native (as an uncombined element) in the Earth's crust.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
Gold
Also accept: Silver; Copper
Common mistakes: Iron; Aluminium
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Names gold, silver, or copper as a native metal.
Worked solution
Gold (also accept silver or copper).