Exam 2: Matter and Minerals

Limestone is composed almost entirely of calcite which has the chemical formula CaCO3.As a result,limestone is classified as ________.

What theory dramatically improved geologist's ability to predict where certain ore deposits were formed?

Electrical attractions between atoms lower the total energy of the bonded atoms and make them more stable.

Sulfates always include ________.

Gold is one of the rarest elements in the universe,yet it is extracted from ores on Earth.How is this possible?

The first minerals to be mined were ________ and ________.

The strong tendency of certain minerals to break along smooth,parallel planes is known as ________.

The most common group of rock forming minerals is ________.

Which mineral reacts readily with cool,dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?

Gypsum,which is widely used in plaster and wallboard,is a member of the ________ group.

Silicates most commonly form ________.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern. -electron atom proton neutron

Quartz sand is a useless commodity unless you want to rebuild a beach.

Be is to Mg as ________.

quartz olivine feldspar calcite

A mineral can be composed entirely of one element.

All minerals exhibit cleavage.

Atoms of the same element,zinc for example,have the same number of ________.

Electrically neutral atoms have equal numbers of electrons and protons.

What physical property denotes the color of a powdered mineral?