ESCI 111 Quiz 3 flashcards |

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Which of the following is not a fundamental particle found in atoms?

selectron

Which of the following is an accurate description of ionic bonding?

Atoms of different elements, having gained or lost electrons, form negative and positive ions that are bonded together by attractive forces between ions with opposite charges.

Which of the following is correct for isotopes of the same element?

The atoms have different numbers of neutrons and the same number of protons.

What mineral is the hardest known substance in nature?

diamond

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

calcite

Which mineral is composed of silicon dioxide (Si02)?

quartz

Which of the following minerals is a silicate?

muscovite

A cubic centimeter of quartz, olivine, and gold weigh 2.5, 3.0, and 19.8 grams respectively. This indicates that ________.

gold has a higher density and specific gravity than quartz and olivine.

Which one of the following is a sodium and calcium feldspar with twinning striations?

plagioclase

Which of the following minerals is in the mineral group known as mica?

muscovite

Which one of the following mineral groups exhibits a sheet-like silicate structure?

clays

The ion at the center of a silicate tetrahedron is surrounded by ________.

4 oxygen ions

Which one of the following describes a mineral's response to mechanical impact?

cleavage

Which of the following denotes the purity of gold used in jewelry?

karat

Ruby and sapphire are red and blue forms of the mineral ________.

corundum

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

cleavage

In which type of chemical bonding are electrons shared between adjacent atoms?

covalent

How do the electrons behave in a mineral with metallic bonding?

They can move relatively easily from atom to atom inside the mineral.

Which of the following has the highest specific gravity?

gold

Which of the following describes the light reflecting and transmission characteristics of a mineral?

luster

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