Chemistry – Nov 30, 2018 P3 Challenge- Today’s Objective –

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Chemistry – Nov 30, 2018 P3 Challenge- Today’s Objective – Write the electron configuration of Aluminum. Today’s Objective – Atomic model game activity Get out Electron Configurations WS for HMK check

Chemistry – Nov 29, 2018 Objective – Agenda Atomic Structure Agenda Homework Review Atomic Model Game Assignment: Complete the Atomic Model Game activity. (one team member attaches the score card to claim extra credit for wins.)

How Electrons Fill the Orbitals – the rules The orbitals are present on every atom, but only some have electrons located in them depending on how many electrons the atom has. Three guiding principles to use: 1) Aufbau Principle: Electrons live in the lowest energy orbitals possible. (Higher energy orbitals remain empty.) “Aufbau” is German for construction. 2) Pauli Exclusion principle: No two electrons can have the same 4 quantum numbers. Orbitals can hold up to 2 electrons. 3) Hund’s Rule: (Seats on a Bus rule) Electrons will fill orbitals of a subshell singly before pairing up. If paired, they have opposite spins.

Exit Slip - Homework Exit Slip: How can this atomic model game be improved? What worked? What didn’t work? What’s Due? (Pending assignments to complete.) Atomic Game Activity What’s Next? (How to prepare for the next day) Read Holt p84 - 88