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Chemical Bonds Quiz
Chemical Bonding quiz not test
| Question | Answer |
|---|---|
| compound | a substance formed from two or more elements |
| compounds that are fromed have _______ properties than the elements that make them | different |
| chemical formula | what elements a compound contains and the exact number of elements in each compound |
| chemical formula description of H2O2 | 2 hydrogen atoms and 2 oxygen atoms |
| Compare H2O and H2O2 | hydrogen peroxide and water are both clear liquids. Hydrogen Peroxide has a more acidic smell than water. H2O2 reacts w/ sunlight while water does not. |
| Electron Dot Diagrams are the same as.... | Lewis dot structures |
| electron dot diagrams | show only the electrons in the outer energy level |
| Octet Rule | Atoms will form bonds with other atoms so that they will have 8 electrons in their outer shell 8 electrons is stable |
| an atom is stable when its outer energy level has ___ electrons in its outer shell | 8 |
| atoms ___, ___, or ____ electrons in order to have a full outer shell | gain, lose, share |
| Chemical Bond | force that holds atoms together in a compound |
| Ion | a charged particle that has more or less electron than protons |
| anion | a negative ion that has gained electrons (has become more negative) Cl- |
| cation | a positive ion that has lost electrons (has become less negative) Na+ |
| Covalent Bond | the attraction that forms between atoms when they share electrons |
| Single covalent bonds | two shared electrons |
| in general, the _____ atoms are on the periodic table, the more likey ther are to form covalent bonds | closer |
Created by:
AlanaR
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