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15 Cards in this Set
- Front
- Back
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What charge does a proton have?
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Positive charge (+)
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What charge does a neutron have?
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No charge (NO)
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What charge does an electron have?
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Negative charge (-)
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What are elements?
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One of the 118 elements that occur in nature.
An element has only 1 kind of atoms Ex. Oxygen only contains oxygen |
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What are the characteristics of metals?
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1. They are shiny
2. They conduct heat and electricity. 3. They can be hammered without breaking. 4. Solid at room temperature. |
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What are the characteristics of non-metals?
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1. They are not shiny.
2. They do not conduct heat or electricity. 3. They can not be hammered without breaking. 4. They can be a gas, liquid, or solid at room temperature. |
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Everything is made of ________?
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Atoms
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What is an atom?
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The smallest whole bit of each kind of matter.
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What is the nucleus of the atom?
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The middle or the brain
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Where do the electrons "live"?
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In electron clouds or shells
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What two parts of an atom are located in the nucleus?
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Protons and neutrons
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An atom looks very similar to _______?
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The solar system.
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One grain of salt has over _________ atoms in it!
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Billion
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What is the periodic table?
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An arrangement of all known elements in a chart in order of the number of protons.
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The atomic number is the same as the ___________.
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Number of protons
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