SC20F Warm Up (Sept 14) Determine the number of protons, electrons and neutrons in Sulphur.

Transcription

1 SC20F Warm Up (Sept 14) Determine the number of protons, electrons and neutrons in Sulphur. Draw a Bohr diagram for sulphur What family is sulphur in? How could sulphur fill its valence shell? 1

2 Warm Up (Sept 15) 1. Draw the bohr diagram for the following atoms: a) Fluorine b) Beryllium 2. Draw the lewis dot diagram for the following atoms: a) Fluorine b) Beryllium 3. State whether the following would gain or lose electrons: a) Fluorine b) Beryllium 2

3 1. Complete the table: Element Draw the Lewis Dot Diagram Warm Up (Sept 16) Will it Gain or Lose Electrons? How many electrons will it gain or lose? What will the charge be? Sodium Calcium Boron Phosphorus Oxygen Iodine 3

4 Warm Up (Sept 17) 1. What noble gas will each of the following ions have the same electron arrangement as? a) Sr 2+ b) Sb 3 c) B 3+ d) Li + 2. Identify the following as atoms or ions. State how many electrons were gained or lost (or none) Symbol Ag Ag + As 3 Pb 4+ Atom or Ion? Amount of electrons gained or lost (or none) 4

5 1. Fill in the table Warm Up (Sept 21) Bond Type Is a Bond Between what kinds of elements? Are electrons shared or Transferred? Ionic Covalent 2. Identify the following as ionic or covalent bonds: CaCl 2 S 2 O 3 CO PbCl 4 H 2 O CH 4 NaCl C 2 H 5 OH Na 2 O NO 3 LiF S 8 HBr Fe 2 O 3 5

6 Warm up (Sept 22) Identify the following as ionic or covalent. Use lewis dot diagrams to show how they will bond a) Mg + I b) P + Cl 6

7 Warm up (Sept 23) 1. Identify the following as ionic or covalent: a) HCl b) NH 3 c) NaH d) H 2 O e) H 2 S 2. Use lewis diagrams to show the bonding of the following: a) Mg + O b) NH 3 7

8 Warm up (sept 24) State the noble gas that the following ions will have the same electron arrangement as: a) Li + has the same arrangement as. b) F has the same arrangement as. c) Ca 2+ has the same arrangement as. d) S 2 has the same arrangement as. e) Br has the same arrangement as. f) Rb + has the same arrangement as. g) Mg 2+ has the same arrangement as. h) N 3 has the same arrangement as. i) Al 3+ has the same arrangement as. 8

9 Warm up (sept 28) 1. Determine if the following compounds are ionic or covalent, then name them: a) N 2 O 7 b) Mg 2 N 3 c) CO d) MgBr 2 e) HCl f) BF 3 2. Determine if the following compounds are ionic or covalent, then write the formula: a) Sodium Sulphide b) Dihydrogen monoxide c) Magnesium iodide d) Sodium oxide e) Carbon tetrafluoride f) Disulphur dioxide 9

10 1. Write the name for the following: Warm Up (sept 29) a) PCl 3 b) Mg 3 P 2 c) NO 3 2. Write the formula for the following: a) Aluminum chloride b) Tetranitrogen heptoxide c) Strontium nitride 10

11 1. Give the formula for the following: Warm up (sept 30) a. Copper (II) sulphide b. Lead (II) fluoride c. Tin (IV) nitride d. Chromium (III) chloride 2. Give the name, using the Stock System, for the following: a. CuO b. MnO 2 c. PbI 4 d. Cu 2 O 11

12 Warm up (Oct 1) 1. Name the following Chemicals: a) CF 4 b) MgF 2 c) Fe 2 O 3 d) NO 3 2. Write the formula for the following Chemicals: a) Dinitrogen pentoxide b) Gold (III) oxide c) Stronum nitride d) Copper (I) sulphide 12

13 Warm Up (Oct 5) Nitrogen Aluminum Lead (IV) sulphite Aluminum acetate Magnesium hydroxide Zinc carbonate Sn(OH) 2 CuMnO 4 O 2 Cu(HCO 3 ) 2 Ba(HCO 3 ) 2 K 2 CrO 4 13

14 Warm Up (Oct 6) Iodine Iron Lead (IV) oxide Aluminum chloride Sn(OH) 2 FeMnO 4 F 2 Mg 3 N 2 14

15 1. Name the following Chemicals: Warm up (Oct 7) a) NH 3 b) CaCl 2 c) PbO 2 d) NS 3 2. Balance the following reacons: Si + S 8 Si 2 S 4 Li2O + H 2 O LiOH Ca + AlCl 3 CaCl 2 + Al 15

16 Balance the following reactions: Warm Up (Oct 8) Al + O 2 Al 2 O 3 CH 4 + O 2 CO 2 + H 2 O KCl + Pb(NO 3 ) 2 KNO 3 + PbCl 2 16

17 Rewrite the following reactions. Balance them and state the Type of reaction. CH 4 + O2 CO2 + H2O Warm up (oct 13) NaCl Cl2 + Na AgCl + Al 2 O 3 Ag 2 O + AlCl 3 Al + Na 2 O Al 2 O 3 + Na K + O 2 K 2 O 17

18 Warm Up (Oct 14) Write and balance the following reactions: 1. iron (III) oxide + carbon iron + carbon monoxide 2. Magnesium nitride + calcium iodide calcium nitride + magnesium iodide 18

19 Warm Up (Oct 15) Write and balance the following reactions: 1. Lead (II) chloride + sodium Lead + sodium chloride 2. Methane (CH 4 ) + oxygen gas carbon dioxide + water Idenfy the type of reacon for each of the above. 19

20 Warm Up (Oct 2) Write and balance the following reactions: 1. chromium(iii) sulphide + sodium chloride sodium sulphide + chromium(iii) chloride 2. Potassium + oxygen gas potassium oxide Idenfy the type of reacon for each of the above. 20

21 Warm up (oct 19) 1. Fill in the table with respect to acids and bases: Property Acids Bases Taste ph Contains what ion? Caustic or corrosive? phenolphthalein colour? 2. Identify the following ph values as Acidic, Basic or Neutral: a) 3.7 b) 6.9 c) 7.0 d) 7.1 e)

22 Warm up (oct 20) 1. Identify whether the following are acidic, basic or neutral: a) Tap water ph = 5.5 d) pure water ph = 7 b) Saliva ph = 6.9 e) milk ph = 7.1 c) Seawater ph = 8.1 f) Pepsi ph = Bleach has a ph = 13, baking soda has a ph = 9. How many times more basic is bleach than baking soda? 22