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Fill in your Table of Contents with info below Class: Biology 1 9/11/15 Admit Slip Fill in your Table of Contents with info below Take out your CHNOPS debate packet and prepare your “attack”. Date: 9/11/15 Topic: CHNOPS pt 2 Page # ___

(And write your name in the book!) Class: Biology 2 9/11/15 Admit Slip Come pick up an MCAS Workbook and type your number into the Excel File (And write your name in the book!) Date: 9/11/15 Topic: CHNOPS pt 2 Page # ___

Today in Room 315… ADMIT SLIP: Prepare “attack” Date: 9/11/15 Topic: CHNOPS pt 2 Page # ___ Today in Room 315… ADMIT SLIP: Prepare “attack” HW: CHNOPS MCAS practice questions CONTENT OBJ: SWBAT identify CHNOPS as the essential elements for life LANG. OBJ: SWBAT describe their reasoning through writing ANNOUNCEMENTS: Check your grades on Monday! (ASPEN?) AGENDA: Finish Debate CHNOPS video Brief Notes Question practice

Finish Debate Edit worksheet!!! Did anyone “win”?? Could we have life if any one of the elements disappeared? NO! So the elements tie- because we need ALL of them to survive  Brief discussion

CHNOPS Video http://video.pbs.org/video/2217713569/ 48:01 Elemental properties 58:30 -1:08:25 Elements of Life **associated worksheet**

Date: 9/11/15 Topic: CHNOPS pt 2 Page # ___ Element Abundance*

IMPORTANT NOTE!!! When you see “organic”  think CARBON!* Organic = carbon

Atom Structure* Center of an atom called… ? Made of…? Nucleus contains protons and neutrons Protons (+1) Neutrons (0) Electrons (-1) The atom Ca is neutral (# protons = # electrons), where as Ca +2 has 2 extra protons than electrons

When bonds are made, energy is released (ex. Explosion)* Electron Shells* When bonds are made, energy is released (ex. Explosion)* The “ring” of electrons around the nucleus are called electron shells 1st shell: Max of 2 electrons 2nd shell: Max of 8 electrons (ideal) The arrangement of electrons allows atoms to bond together Which one of these atoms is most likely to lose an electron? 

Be able to EXPLAIN your answer!! Abundant = when a substance is present in high quantities MCAS Question Be able to EXPLAIN your answer!!