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18 Cards in this Set
- Front
- Back
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What is an Atomic Number?
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The number of protons in an element.
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What are protons,neutrons, and electrons?
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PROTONS: the particle in an atomthat has a positive charge.
NEUTRONS: are the particles in an atom that have NO charge. ELECTRON: the particle in an atom that has a negative charge. |
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The Periodic Table is arranged so that the elements in each COLUMN have similar what?
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properties
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The elements in a ROW have what with the other elements in each row?
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different properties
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Be familiar with the properties in the Periodic Table that are in the Metals,Nonmetals, and Metalloids.
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They are arranged by color...
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If an element has 5 protons and 2 neutrons, what is its Atomic Number?
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5
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The number of protons in an element is its what?
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Atomic Number
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Be familiar with what an Alloy is and list an example of an Alloy.
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Brass
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Know what a chemical property is and a physical property is. Know the difference among the two properties.
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CHEMICAL PROPERTY:
PHYSICAL PROPERTY: Differences: |
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What is a chemical property of water?
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It does not burn
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What is a property of Carbon Dioxide?
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Oxygen
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96 percent of your body is made up of oxyg,nitrogen,hydrogen and one more....
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carbon
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What compound makes up 60 percent of the human body?
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water
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When atoms combine, what is formed?
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molecules
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What is the word for a substance that dissolves?
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solution
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Be familiar with chemical formulsa. The chemical formula for water is what?
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H2O
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What is a compound?
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a compound is a kind of matter made of a combination of two or more elements.
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Explain one example of a molecule that is NOT a compound.
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oxygen....
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