Exam 12: Plate Tectonics: the Framework for Modern Geology

Which of the following rock types are not comprised mostly of minerals.

The main calcium sulphate mineral gypsum is used to ________.

Which of the following best characterizes ferromagnesian silicates?

When two or more elements combine to form a mineral, they do so in definite proportions represented by a simple chemical formula for that __________.

Which of the following minerals is a silicate?

Which minerals that make up the Mohs scale are harder than a glass plate?

Which of the following will react readily with acids such as hydrochloric?

What element is the most abundant in the Earth's crust by weight?

The electrons in the outermost shell of an element are referred to as__________ .

In silicate minerals, cleavages occur_________ .

In ionic compounds,__________ have lost one or more electrons to acquire positive charge and a smaller radius than their neutral atom, while_________ have gained one or more electrons to acquire a negative charge and a larger radius than their neutral atom.

The quality of light reflected from a mineral surface is called _______.

The eight most abundant elements in the Earth's crust by weight are: _____________.

The main use for most diamond, corundum and garnet is_______ .

What is the name given to an atom that gains or loses electrons in a chemical reaction?

Which of the following minerals is a ferromagnesian silicate?

Minerals like native gold or galena have high specific gravities because_______ .

Plagioclase feldspars contain significant, variable percentages of which elements?

The two main types of bonding that form the structures in minerals are_________ .

Amethyst, chalcedony, and citrine are gemstone varieties of this common mineral.