Term
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Definition
| A covalent bond in which electrons are NOT shared equally. |
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Term
| What is a non polar bond. |
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Definition
| A covalent bond in which electrons ARE shared equally. |
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Term
| What are the properties of Molecular Compounds? |
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Definition
- Low melting point
- When in water do not conduct electricity. |
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Term
| What is a molecular compound? |
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Definition
| Compound made of molecules that are covalently bonded. |
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Term
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Definition
| Atoms that share three pairs of electrons with each other. |
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Term
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Definition
| Atoms that share two pairs of electrons with each other. |
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Term
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Definition
| A neutral group of covalently bonded atoms |
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Term
| What are covalently bonds? |
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Definition
| A chemical bond when atoms share electrons. |
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Term
| What are the properties of Ionic Compounds? |
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Definition
- Hard Brittle Crystals
- High Melting Points
- When dissolved in water, conduct electricity. |
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Term
| How do you name a negative Ion that is Polyatomic? |
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Definition
| name ends in -ite or -ate. |
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Term
| Metals are the elements in group ___ through ____ |
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Definition
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Term
| How do you name a negative Ion that is a single element? |
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Definition
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Term
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Definition
| The number of each element in a compound. |
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Term
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Definition
| Attraction between two oppositely charged Ions that forms positively and negatively charged Ions. |
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Term
| What is a Chemical Formula? |
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Definition
| Combination of symbols showing the ratio of the elements in a compound. |
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Term
| Why is hydrogen placed with the Alkali Metals? |
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Definition
| because it has one valence electron. |
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Term
| What are Valence Electrons? |
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Definition
| electrons with the highest energy, and held the most loosely. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| 1 or 2 letters representing each element. |
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Term
How do ions become positive?
How do ions become negative? |
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Definition
-ions become positive by losing an electron.
- ions become negative by gaining an electron. |
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Term
| What are polyatomic ions? |
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Definition
| ions made of more then one atom. |
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Term
| What is an ionic compound? |
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Definition
| compound that consists of positive and negative ions. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| the force of attraction holding atoms together due to the rearrangement of electrons. |
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Term
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Definition
| atoms or group of atoms with an electric charge. |
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Term
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Definition
| number of protons in an element. |
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Term
| Nonmetals are elements in group __ through ___? |
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Definition
| 14,18.( only one element in group 14 is a nonmetal) |
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