You are handed a sample of an unknown silicate mineral. Which two elements MUST it contain?
A)silicon and oxygen
B)iron and silicon
C)carbon and hydrogen
D)silicon and sodium

Question

Quizplus · Accepted Answer

Silicate minerals are composed of silicon and oxygen. Therefore, any unknown silicate mineral must contain these two elements. Choice B is incorrect because it includes iron, which is not a necessary element in all silicate minerals. Choice C includes carbon and hydrogen, which are not typically found in silicate minerals. Choice D includes sodium, which may or may not be present in a silicate mineral.

You Are Handed a Sample of an Unknown Silicate Mineral