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Which of the following best defines a mineral and a rock |
In a mineral the constituent atoms are bonded in a regular, repetitive, internal structure ; A ROCK IS A LITHIFIED OR CONSOLIDATED AGGREGATE OF Different mineral grains |
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Which of the following is not a fundamental particle found in atoms? |
selectron |
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Atoms of the same eiemenr, zinc for example, have the same numberof _____. |
protons in the nucleus |
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Atoms that have an electrical charge due to a gain or loss of electrons are called ___. |
ions |
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, Which of the Following is correct for isotopes of the same elements ? |
The atoms have different number of neutrons and the same number of protons |
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What mineral is the hardest known substance in nature |
Diamond |
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Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of |
Calcite |
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Which common mineral is composed entirely of silicon and oxygen? |
Quartz |
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Which of the following minerals is a silicate? |
Feldspar |
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A cubic centimeter of quartz, oiivine, and gold weighs 2.5,3.0, and 19.8 grams respectively. This |
gold has a higher density and specific gravity than quartz and olivine |
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Which one of the following mineral groups exhibits a sheet-like silicate structure? |
Micas |
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The ion at the center of a silicon-oxygen tetrahedron is surrounded by ____. |
Four oxygen ions |
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The resistance of a mineral to abrasion is known as ____. |
hardness |
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All silicate minerals contain which two elements ? |
Silicon, oxygen |
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Which mineral is easily soluble in water at room temperature conditions? |
Halite |
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What element is the most abundant in the Earth’s crust by weight? |
oxygen |
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The strong reuclency of certain minerals to breakalong smooth, parallel planes is know’ as ____. |
cleavage |
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An atoms mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus |
7 |
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Which one of the following is not true for minerals |
They can be liquid solid or glass |
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Which group of minerals are the most abundant in the Earth’s crust? |
silicates |
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Which the following denotes the positively charged particles in an atom’s nucleus? |
protons |
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which of the following has the highest specific gravity |
gold |
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Which of the following describes the light reflecting and transmission characteristics of a mineral |
luster |
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The most unreliable (variable) diagnostic property of minerals such as quartz is _____. |
color |
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Which of the following is NOT one of the eight most common elements in Earth’s crust |
carbon |
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Mineral deposits which have been Identified and can be extracted profitably are called ____. |
reserves |
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