Chemistry Warm­Ups.notebook
November 04, 2015
SC20F Warm­Up (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
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (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
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Sept 16)
1. Complete the table:
Element
How many Draw the Lewis Will it Gain or What will the electrons will it Dot Diagram
Lose Electrons?
charge be?
gain or lose?
Sodium
Calcium
Boron
Phosphorus
Oxygen
Iodine
3
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Sept 17)
1. What noble gas will each of the following ions have the same electron arrangement as?
a) Sr2+
b) Sb3­
c) B3+
d) Li+
2. Identify the following as atoms or ions. State how many electrons were gained or lost (or none)
Symbol
Atom or Ion?
Amount of electrons gained or lost (or none)
Ag
Ag+
As3­
Pb4+
4
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Sept 21)
1. Fill in the table
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:
CaCl2
S2O3
CO
PbCl4
H2O
CH4
NaCl
C2H5OH
Na2O
NO3
LiF
S8
HBr
Fe2O3
5
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (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
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (Sept 23)
1. Identify the following as ionic or covalent:
a) HCl
b) NH3
c) NaH
d) H2O
e) H2S
2. Use lewis diagrams to show the bonding of the following:
a) Mg + O
b) NH3
7
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (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) Ca2+ has the same arrangement as ______________.
d) S2­ has the same arrangement as ______________.
e) Br­ has the same arrangement as _______________.
f) Rb+ has the same arrangement as ______________.
g) Mg2+ has the same arrangement as _____________.
h) N3­ has the same arrangement as ______________.
i)
Al3+ has the same arrangement as _______________.
8
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (sept 28)
1. Determine if the following compounds are ionic or covalent, then name them:
a) N2O7
b) Mg2N3
c) CO
d) MgBr2
e) HCl
f) BF3
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
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (sept 29)
1. Write the name for the following:
a) PCl3
b) Mg3P2
c) NO3 2. Write the formula for the following:
a) Aluminum chloride
b) Tetranitrogen heptoxide
c) Strontium nitride
10
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (sept 30)
1. Give the formula for the following:
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
c. PbI4
b. MnO2
d. Cu2O
11
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (Oct 1)
1. Name the following Chemicals:
a) CF4
b) MgF2
c) Fe2O3
d) NO3
2. Write the formula for the following Chemicals:
a) Dinitrogen pentoxide
b) Gold (III) oxide
c) Stronum nitride
d) Copper (I) sulphide
12
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 5)
Nitrogen
________
Aluminum __________
Lead (IV) sulphite __________
Aluminum acetate_______
Magnesium hydroxide__________
Zinc carbonate
Sn(OH)2
O2
_______________
_______________
Ba(HCO3)2 _______________
CuMnO4
__________
_______________
Cu(HCO3)2 _______________
K2CrO4
_______________
13
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 6)
Iodine ________
Lead (IV) oxide
Sn(OH)2
F2
Iron
__________
_______________
_______________
__________
Aluminum chloride_______
FeMnO4
_______________
Mg3N2
_______________
14
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (Oct 7)
1. Name the following Chemicals:
a) NH3
b) CaCl2
c) PbO2
d) NS3
2. Balance the following reacons:
Si + S8 à
O + H2O à
Li2
Ca + AlCl3 à
Si2S4
LiOH
CaCl2 + Al
15
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 8)
Balance the following reactions:
______Al + ______O2 à ______Al2O3
______CH4 + ______O2 à ______CO2 + ______H2O ______KCl + ______Pb(NO3)2 à ______KNO3 + ______PbCl2 16
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (oct 13)
Rewrite the following reactions. Balance them and state the Type of reaction.
CH4 + O2 à CO2 + H2O
NaCl à Cl2 + Na
AgCl + Al2O3 à Ag2O + AlCl3
Al + Na2O à Al2O3 + Na K + O2 à K2O
17
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 14)
Write and balance the following reactions:
1. iron (III) oxide + carbon à iron + carbon monoxide
___________ _____ ____ ______________
2. Magnesium nitride + calcium iodide à calcium nitride + magnesium iodide
_______________ ___________ ___________ ______________
18
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 15)
Write and balance the following reactions:
1. Lead (II) chloride + sodium à Lead + sodium chloride
2. Methane (CH4) + oxygen gas à carbon dioxide + water
Idenfy the type of reacon for each of the above.
19
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­Up (Oct 2)
Write and balance the following reactions:
1. chromium(III) sulphide + sodium chloride à sodium sulphide + chromium(III) chloride
2. Potassium + oxygen gas à potassium oxide
Idenfy the type of reacon for each of the above.
20
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (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) 8.5
21
Chemistry Warm­Ups.notebook
November 04, 2015
Warm­up (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 = 4.1
2. Bleach has a pH = 13, baking soda has a pH = 9. How many times more basic is bleach than baking soda?
22