Type of bonding are electrons shared between two atoms

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Reference no: EM13209351

1. In what type of bonding are electrons shared between two atoms?

(a) ionic (b) covalent (c) chemical (d) metallic (e) van der Waals

2. The __________ group of minerals make up 90% of the Earth's crust and almost 100% of the mantle.
(a) carbonates (b) sulfides (c) silicates (d) oxides (e) sulfates

3. What is the mineral on Mohs Hardness Scale with hardness of 5?

(a) calcite (b) talc (c) apatite (d) diamond (e) quartz

4. Which of the following igneous intrusions is tabular and cuts across bedding?
a. laccolith
b. batholith
c. sill
d. nue ardente
e. dike

5. All of the following minerals could be found in a mafic igneous rock except:
i. (a) olivine (b) quartz (c) plagioclase (d) amphibole

6. Which of the following is a type of chemical sediment?
a. clay
b. chalk
c. sand
d. gravel

7. A coal bed suggests that in the past the region was:
a. covered by a glacier
b. a desert
c. mountainous
d. a swamp

8. What type of metamorphism occurs where magma alters the cold country rock that surrounds an igneous intrusion?
a. contact
b. regional
c. shear
d. burial

9. The shell of a clam is a mineral

TRUE FALSE

10. Magma becomes lava when it cools and solidifies

TRUE FALSE

Reference no: EM13209351

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