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Metals, Non-Metals, Metalloids, Density & Minerals

A ______ is usually classified as a metalloid. semi-conductor
TRUE or FALSE: Metals can be described as brittle. FALSE
Measuring the conductivity of an unknown element will help classify it as a ______, non-metal, or metalloid. metal
Electrical wires are made from metals such as ______ and chromium because metals are good conductors of electricity. copper
Metals may have a______ luster. shiny
TRUE or FALSE: The density formula is mass divided by volume. TRUE
The properties of non-metals are no luster, ______, and no conductivity. brittle
The density of _______ is 1.00 g/cm3. water
TRUE or FALSE: Metals can be described as shiny. TRUE
One test of a ________ is the streak test in which the color of powder left behind when the mineral is rubbed on a surface. mineral
The ability to transfer thermal and ______ energy is known as conductivity. electrical
The most common minerals are ________. silicates
Unlike non-metals, most metals tend to conduct ______ and heat well. electricity
TRUE or FALSE: All mineral streak tests leave the same color on the streak plate as the mineral's color. FALSE
To be classified as a metalloid, the properties must be shiny or _____, usually brittle, and semi-conductors. dull
Pyrite is known as fool's _____ because it is the same color as gold. gold
TRUE or FALSE: Metals can be described as malleable. TRUE
Minerals may be the same in color, but the streak ______ can be different. color
The properties of metals are shiny, ______, good conductors. malleable
TRUE or FALSE: The formula to calculate density is D = M + V FALSE
Hardness of a mineral can be tested by ______ the mineral against other substances of known hardness. scratching
TRUE or FALSE: If the density and volume are known, then to determine the mass the formula would be M = D ÷ V FALSE
Minerals are ______ solids that have a repeating crystal structure. inorganic
To find the ______ of an unknown mineral, physical properties of the mineral such as color, hardness, luster, and streak are used to determine the ________ of the mineral. identity
Mohs Hardness Scale is a scale of one to _______ Scientists use to identify minerals by their hardness. ten
TRUE or FALSE To determine the volume if the density and mass are known the formula would be: V = D ÷ M FALSE
The mass of an object is 60g and the volume is 12mL. To calculate the density (using the density ________), the equation would be 60 ÷ 12 formula
Luster is the way ______ reflects off an object. light
TRUE or FALSE: According Mohs Hardness Scale, talc is able to scratch diamond. FALSE
The hardest mineral is ________. diamond
The softest mineral is ______. talc
TRUE or FALSE: Metals can be described as shiny. TRUE
Created by: oakhills