What is the name of the seventh most abundant metal in the earth's crust, which is derived from the medieval Latin word 'Kalium'?
A.Aluminium
B.Potassium✓ Correct
C.Magnesium
D.Calcium
Explanation
Potassium is the seventh most abundant metal in Earth's crust, making up 2.4% by mass, and its chemical symbol K comes from the medieval Latin word 'Kalium'.
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