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30 Cards in this Set
- Front
- Back
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Matter is composed of various ________? |
substances |
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What are the four states of matter? |
Liquid, Solid, Gas, and Plasma |
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Chalk is an example of what? |
Compound |
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An object at terminal velocity has an acceleration of _______? |
zero |
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Matter that has a definite volume and definite shape is a __________? |
solid |
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Who discovered neutrons? |
James Chadwick |
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What includes Iron, Cobalt, and Nickel |
The iron triad of transition metals |
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What group of elements has two electrons on it's outer energy level? |
Alkali Metals |
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True or False: Most metals are solids at room temperature. |
True |
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How far an object has moved |
Distance |
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Column of elements on periodic table |
Family |
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Horizontal row on a periodic table |
Period |
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What is the process of a solid changing directly to a gas without forming a liquid? |
Sublimation |
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Liquid to a gas |
Evaporation |
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What is the unit for pressure? |
Pascal |
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What is in every living thing, like us? |
Carbon |
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What uses the Pascal's principle? |
Hydraulic lift |
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Substance that conducts electricity under certain conditions |
Semiconductor |
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Elements with metallic and nonmetallic properties |
Metalloid |
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Forms a salt when it gains an electron from a metal |
Halogen |
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Different forms of same element with different molecular structures |
Allotropes |
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Not naturally occurring |
synthetic metals |
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Elements that give off particles and energy |
Radioactive Elements |
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State of metals at room temperature |
Solid |
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What are 2 examples of a colloid? |
Jello and fog |
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What is an example of a suspension? |
Vinegar |
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What is found in the middle of the nucleus of an atom? |
Protons and Neutrons |
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What kind of change is ice to water? |
Physical Change |
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What kind of change is wood burning? |
Chemical Change |
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What is another example of a compound? |
Glucose |
