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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Atom |
The smallest unit of matter. |
Can not be broken down anymore. |
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Element |
A pure substance made only of one kind of Atom. |
Only one kind of atom. |
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Compound |
A substance made of joined atoms of two or more different elements. |
More than one substance or atom. |
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Covalent bond |
When two or more atoms share electrons to form a molecule. |
More than one Atom |
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Molecule |
A group of Atoms held together by covalent bonds. |
Held together by covalent bonds |
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Hydrogen bond |
The bond that holds the other water |
Water molecules are attached to each other by what kind of bonds? |
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Ionic bonds |
Chemical bond formed between two molecules. |
One of the three main bonds |
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Ion |
An Atom or molecule that has gained or lost one or more electrons |
Gaining or losing an electron |
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Cohesion |
An attraction between substances of the same kind |
Different substances don't fit together using..... |
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Adhesion |
An attraction between different substances |
Different substances can ft together using.... |
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Solution |
A mixture in which one or more substances are evenly distributed in another substance |
Evenly distributed |
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Polarity |
Nonpolar molecules are not dissolve well in water when nonpolar substances such as oil are placed in water the water molecules are more attached to each other the nonpolar molecules |
North and south |
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Acids |
Compound that forms hydrogen ions when dissolved in water |
When dissolved in water |
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Bases |
In contrast, compounds that reduce The concentration of hydrogen ions in a solution |
Reduce the concentration of hydrogen |
