Wednesday Sept 10 Objective: Describe how one element turns into another element and what is occurring when it does. Checkpoint: Draw a picture of sodium.

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Presentation transcript:

Wednesday Sept 10 Objective: Describe how one element turns into another element and what is occurring when it does. Checkpoint: Draw a picture of sodium with the correct number of protons, neutrons, and electrons. Make sure the electrons are in the correct energy levels. Draw a picture of arsenic with the correct number of protons, neutrons, and electrons. Make sure the electrons are in the correct energy levels. Homework: Finish ions worksheet Read Radium Girls and fill out graphic organizer (due Monday)

Sodium 11 p 12 n

Arsenic 33 p 42 n

Isotopes: Same element, different # of neutrons

Nuclear Notation

Beryllium 4 p 5 n Valence Electrons?

Copper 29 p 35 n Valence Electrons?

Gallium 31 p 39 n Valence Electrons?

Octet rule: atoms want a full valence shell

Lithium: Is it happy? Li

Lithium: Is it happy? Li +

Oxygen: Is it happy? O

Oxygen: Is it happy? O 2-

Chlorine: Is it happy? Cl

Chlorine: Is it happy? - Cl

Magnesium: Is it happy? Mg

Magnesium: Is it happy? Mg 2+

Take out isotopes worksheet to be stamped

Valence electrons? Gain or lose electrons? How many? What ion is formed?

Ions worksheet 6 2 O2-

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Thought of the Week “It’s not enough to want to make the effort and to say we’ll make the effort. We must actually make the effort. It’s in the doing, not just the thinking, that we accomplish our goals.” Thomas Spencer Monson.