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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What does group number mean? |
Number of electrons in outer shell |
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What does period number mean? |
Number of shells it holds |
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Define ion |
Ion: a charged atom with a stable outer shell from either gaining or losing electrons |
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How are positive ions formed? |
From electrons being lost and transferred to another atom, this relates to metals |
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How are positive ions formed? |
From electrons being lost and transferred to another atom, this relates to metals |
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How are negative ions formed |
From gaining electrons from another atom and obtaining a positive charge, relates to non-metals |
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How are positive ions formed? |
From electrons being lost and transferred to another atom, this relates to metals |
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How are negative ions formed |
From gaining electrons from another atom and obtaining a positive charge, relates to non-metals |
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Define Covalent bonds |
The bonds made by sharing a pair of electrons between two non-metals |
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How are positive ions formed? |
From electrons being lost and transferred to another atom, this relates to metals |
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How are negative ions formed |
From gaining electrons from another atom and obtaining a positive charge, relates to non-metals |
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Define Covalent bonds |
The bonds made by sharing a pair of electrons between two non-metals |
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What does it mean to draw a carbon chain? |
Dot and cross diagram for CnHn etc. |
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Define ionic bonds |
Ionic bonds are electrostatic forced of attraction between positive and negative ions (transfer of electrons). This refers to metals and non metals’ ions |
el fo |
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What are the differences between incomplete and complete combustion? |
Incomplete: when there is limited oxygen supply, products-CO (harmful) +H20 Complete: sufficient oxygen supply, products-CO2+H2O |
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