Explore the basics of bonding in chemistry with a focus on ionic and covalent bonds. Learn about ions, charges, and how atoms form bonds by transferring or sharing electrons. Examples and explanations provided for better understanding.
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Presentation Transcript
Bonding Basics 8thGrade Science T. Trimpe 2008 http://sciencespot.net/
Answer these questions: NEGATIVE An atom that gains one or more electrons will have a ____________________ charge. POSITIVE An atom that loses one or more electrons will have a ____________________ charge. ION An atom that gains or loses one or more electrons is called an ____________. CATION Cat-Eye-On A positive ion is called a ______________ and a negative ion is called an _______________. ANION An-Eye-On
What is an ionic bond? Atoms will transfer one or more ________________ to another to form the bond. ELECTRONS Each atom is left with a ________________ outer shell. COMPLETE METAL An ionic bond forms between a ___________ ion with a positive charge and a ________________ ion with a negative charge. NONMETAL Example B1: Sodium + Chlorine Example B2: Magnesium + Iodine
What is a covalent bond? Atoms ___________ one or more electrons with each other to form the bond. SHARE Each atom is left with a ________________ outer shell. COMPLETE NONMETAL A covalent bond forms between two _________________. Example C1: Hydrogen + Hydrogen Example C2: 2 Hydrogen + Oxygen
