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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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"_________" reactions always involve bond formation. |
Synthesis |
A chemical reaction. A + B --> AB |
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"________" reactions cause molecules to break down into smaller molecules. |
Decomposition Reactions |
A chemical reaction. AB --> A + B |
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"_______" reactions are bonds that are both made and broken. |
Exchange reactions |
A chemical reaction. AB + C --> AC + B |
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"_______" is the simplest form of matter to have unique chemical properties. These are substances that cannot be broken down by ordinary chemical means. |
Elements of Atoms, Ions, and Molecules. |
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Those detected with our senses are... |
Physical Properties |
Property of Elements |
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"_____" pertain to the way Atoms interact with one another. |
Chemical properties |
Properties of elements |
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Atomic number |
Equal to the number of protons in the nucleus. |
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Atomic Symbol |
One or two letter chemical shorthand for each element. |
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Major Elements of the Human Body - 98.5% |
Oxygen Carbon Hydrogen Nitrogen Phosphorus Calcium |
6 of them. |
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Lesser and Trace Elements of the Human Body. |
-Lesser elements make up 0.08% the body and include: Potassium, Sulfur, Sodium, Chlorine, Magnesium, and Iron. -Trace elements make up less than 0.7% of the body. They are required in minute amounts, and are found as part of enzymes. |
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