molecule Draw a Lewis structure for the conjugate base. Write in any non-zero formal charges and make sure all atoms in your structure fully satisfy the octet rule. ? HHH conjugate base of the molecule H H H Click and drag to start drawing a structure. ㄖˋˋ × A 5 ㄖ olo

Two possible Lewis diagrams for sulfine (H2CSO) are (a) Compute the formal charges on all atoms. (b) Draw a Lewis diagram for which all the atoms in sulfine have formal charges of zero.

TI - F b) 0-F, O CI c) P- CI, S- CI d) C-F, C-0,C-N, C-C 16 The charge number of phosphorous is 15. Write: The Lewis dot symbol of P atom. The Lewis structure of PH, molecule. The type of PH, molecule according to VSEPR. Deduce the geometry of PH, molecule. The structure of PH,, Showing the geometry and expected bond angles 17 Write Lewis structures for the following molecules CS, , F, H,S, CO, , C,H, , CHCI, , HCN , C,H, N,H, , F,0. 2 1 8 Calculate the number of moles, and molecules in: a) 10 g water b) 10 g ethanol C,H,O c) 10 g of glucose C,H,,O, 9 How many nitrogen atoms are present in 25.00 g of N,O,?

Draw a complete lewis structure for the CONJUGATE ACID of Nitromethane (condensed formula CH3NOOH). Draw a complete lewis structure that shows all bonds, unshared electron pairs, and minimized formal charges where appropriate.