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8 th Grade Science

Bonding Basics. 8 th Grade Science. T. Trimpe 2008 http://sciencespot.net/. Section A: Complete the chart using a periodic table to help you. CATION. ANION. “Cat-Eye-On”. “An-Eye-On”. Answer these questions:

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8 th Grade Science

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  1. Bonding Basics 8th Grade Science T. Trimpe 2008 http://sciencespot.net/

  2. Section A: Complete the chart using a periodic table to help you.

  3. CATION ANION “Cat-Eye-On” “An-Eye-On” 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

  4. 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 B1: Sodium + Chlorine Example B2: Magnesium + Iodine ELECTRONS COMPLETE METAL NONMETAL

  5. Example B3: Potassium + Iodine Example B4: Sodium + Oxygen Example B5: Calcium + Chlorine Example B6: Aluminum + Chlorine

  6. 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 C1: Hydrogen + Hydrogen Example C2: 2 Hydrogen + Oxygen SHARE COMPLETE NONMETAL

  7. Example C3: Chlorine + Chlorine Example C4: Oxygen + Oxygen Example C5: Carbon + 2 Oxygen Example C6: Carbon + 4 Hydrogen

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