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Warm up 12/05/13. Question: What is oxidation number? Answer: a number representing the charge on an atom after getting an octet . Ex: Na 1+ O 2- Goal: I will learn how to name ionic compounds. ELEMENT OF THE DAY. 39 – Yttrium – Y Yttrium is named after a village in Sweden .
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Warm up 12/05/13 • Question: What is oxidation number? • Answer: • a number representing the charge on an atom after getting an octet. • Ex: Na1+ O2- • Goal: I will learn how to name ionic compounds.
ELEMENT OF THE DAY • 39 – Yttrium – Y • Yttrium is named after a village in Sweden. • Yttrium is used to extend the life of spark plugs. • Yttrium aluminum garnet is used in powerful lasers that can be bounced off of reflectors on the moon to calculate the distance.
Bellwork/ POWER DOWN • Review HW • Notes – naming ionic & crisscross method • practice • Homework • pg 19-22 • Ch 16 quiz Tuesday Agenda