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T. Trimpe 2008 http://sciencespot.net/
Bonding Basics T. Trimpe
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NEGATIVE POSITIVE ION CATION ANION
Answer these questions: An atom that gains one or more electrons will have a ____________________ charge. An atom that loses one or more electrons will have a ____________________ charge. An atom that gains or loses one or more electrons is called an ____________. A positive ion is called a ______________ and a negative ion is called an _______________. NEGATIVE POSITIVE ION CATION ANION “An-Eye-On” “Cat-Eye-On”
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ELECTRONS COMPLETE METAL NONMETAL
What is an ionic bond? Atoms will transfer one or more ________________ to another to form the bond. Each atom is left with a ________________ outer shell. An ionic bond forms between a ___________ ion with a positive charge and a ________________ ion with a negative charge. Example: Sodium + Chlorine Example: Magnesium + Iodine ELECTRONS COMPLETE METAL NONMETAL
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Example: Potassium + Iodine Example: Sodium + Oxygen
Example: Calcium + Chlorine Example: Aluminum + Chlorine
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SHARE COMPLETE NONMETAL
What is a covalent bond? Atoms ___________ one or more electrons with each other to form the bond. Each atom is left with a ________________ outer shell. A covalent bond forms between two _________________. Example: Hydrogen + Hydrogen Example: 2 Hydrogen + Oxygen SHARE COMPLETE NONMETAL
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Example: Chlorine + Chlorine Example: Oxygen + Oxygen
Example: Carbon + 2 Oxygen Example: Carbon + 4 Hydrogen
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