1) Which one of the following diagrams represents the electron configuration of a carbon atom? (1 pt) a. - 2p 25 1s b. À

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1 Which One Of The Following Diagrams Represents The Electron Configuration Of A Carbon Atom 1 Pt A 2p 25 1s B A 1 (18.43 KiB) Viewed 5 times

1 Which One Of The Following Diagrams Represents The Electron Configuration Of A Carbon Atom 1 Pt A 2p 25 1s B A 2 (20.88 KiB) Viewed 5 times

1 Which One Of The Following Diagrams Represents The Electron Configuration Of A Carbon Atom 1 Pt A 2p 25 1s B A 3 (19.29 KiB) Viewed 5 times

1 Which One Of The Following Diagrams Represents The Electron Configuration Of A Carbon Atom 1 Pt A 2p 25 1s B A 4 (46.84 KiB) Viewed 5 times

1) Which one of the following diagrams represents the electron configuration of a carbon atom? (1 pt) a. - 2p 25 1s b. À 1 — 1 25 1s C. 1s d. -13 | - 1s

2) Which of the following elements has the ground-state electron configuration 1 a. Mg b. SI G P d. S e. Ge a. b. 3) Which of the following is the ground-state electron configuration of the Miglion? (1 pt) 182820*35* Ne3 [Ne]3s 3p 18-22p [Ho]2s 2p C d e. protons, neutrons, and electrons 4) A SMnion has a. 23:30:25 b. c. 25:30:23 30:25, 23 25, 30,25 30:25: 30 d. Show your work here for full credit (3 pts) 5) Below are four Lewis structures of the molecule Ses&r labeled I thru IV). Which structure is the best Lewis structure for this molecule? ) III) M

Show your work here for Moll credit (4 pts) 6) What is the expected bond angle around the nitrogen atom in the Levis structure shown below? Why? pts total) 7) What is the molecular geometry around the oxygen atom in the Lewis structure shown below? #1 Why? (pts total 8) Describe the electrons around one atom in the Lewis structure of Ne 3 shared electron pairs, 1 lone pair 2 shared electron pairs, 2 lona pairs . shared election par 3 tone pairs d 3 shared electron pairs 2 shared electron pairs, lone pair Show full work here for full credit (5 psy 9) Choose the answer below that represents the products in the unbalanced molecular equation K.CO. (e) Cufca LOUCO, (a) KF) & Co. Kif CUCO () + KF (aq) IV.CCO, (S) K Fing) V. Cuco, () KF (aq) VI. CUCO ( KF.) Show your work here for all credit (6 pts

10)Given the following balanced molecular equation below, choose the answer that represents the net ionic equation. CoCl2 (aq) + MgCO3(aq) → Cocos (s) + MgCl2 (aq) I. Co* (aq) + CO3(aq) → Cocos (s) II. Co2+ (aq) + C032 (aq) → Cocos (s) III. Mg2+ (aq) + 2Cl(aq) → MgCl2 (aq) IV. Mg2+ (aq) + Cl2 (aq) → MgCl2 (aq) V. Mg2+ (aq) + Cl22 (aq) → MgCl2 (aq) Show your work here for full credit (4 pts): 11) Given the following balanced molecular equation below, choose the answer that represents the complete ionic equation (NH4)3PO4 (aq) + FeCl3 (aq) → 3 NH4Cl (aq) + FePO4 (s) II. 1. (NH4)3+ (aq) + PO4% (aq) + Fe3+ (aq) + Cls (aq) → 3 NHCl (aq) + FePO4 (s) 3 NHa* (aq) + PO43- (aq) + Fe3+ (aq) + 3 C (aq) → 3 NH4Cl (aq) + FePO4 (s) III. 3 NH4+ (aq) + PO2 (aq) + Fe3+ (aq) 3 CF (aq) → 3 NHe* (aq) + 3 Cr (aq) + FePO4(s) IV. (NH4)3+ (aq) + PO4) (aq) + Fe (aq) + Cl(aq) → 3 NH4+ (aq) + 3 C (aq) + FePO4(s) 3 NH4+ (aq) + PO2 (aq) + Fe (aq) 3 CF (aq) → 3 NH4+ (aq) + 3 Cl(aq) + Fe3+ (s) + PO2 (s) VI. (NH)* (aq) + PO-3 (aq) + Fe3+ (aq) + Cl(aq) → 3 NH4+ (aq) + 3 C (aq) + Fe3+ (s) + PO43-(s) V.