Earth Science: Question Preview (ID: 668)

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What mineral property measures the resistance of a mineral to being scratched?
a) Luster b) Hardness c) Streak d) Double Refraction
Which mineral exhibits double refraction and reacts with HCl?
a) Halite b) Gold c) Sulfur d) Calcite
When a mineral breaks along a flat or even surface it displays...
a) Fracture b) Cleavage c) Luster d) Hardness
What mineral is a 1 on the Mohs scale?
a) Diamond b) Calcite c) Talc d) Quartz
What is the mineral name for table salt, NaCl?
a) Muscovite Mica b) Hematite c) Calcite d) Halite
Which best describes all the characteristics of a mineral?
a) Naturally occurring, solid substance, orderly crystal structure, definite chemical composition, generally considered inorgani b) Naturally occurring, solid substance, orderly structure, definite chemical composition, organic c) liquid, synthetic, does not have a definite chemical composition d) crystal structure, non solid substance
Quartz (SiO2).... (imagine the 2 is subscripted!) belongs to which mineral group?
a) Carbonates b) Oxides c) Sulfates d) Silicates
Whether a mineral exhibits fracture and cleavage depends upon its.....
a) internal atomic arrangement b) how hard it is c) How hard you strike it against the pavement d) your viewing angle
Streak is...
a) How light is reflected from the surface of a mineral b) The resistance of a mineral to being scratched c) The color of a mineral in its powder form d) Displayed when a mineral does not show cleavage
What is found in the nucleus of an atom?
a) electrons, protons, and neutrons b) protons and electrons c) electrons and neutrons d) protons and neutrons
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