Atomic Theory & Bonding
Names & Formulas
Types of Reactions & Balancing
Acids/Bases & Oranics
Factors that affect Rate of Reaction
100
How many valence electrons does Se have?
6
100
What is a polyatomic ion?
A covalent compound made up of two or more non metals that act as a unit.
100
State the number of oxygen atoms in the following: 2Fe(OH)3 + 3H2CO3
15
100
What is the difference between a hydrocarbon and an alcohol?
A hydrocarbon contains only H and C, alcohols contain H C and OH
100
How would a smaller surface area affect reaction rate?
It would go faster
200
How many protons, neutrons and electrons does a nitrogen ion have?
30
200
What is the chemical formula for tetraphosphorous hexoxide?
P4O6
200
State the coefficients needed to balance this reaction: Al + Br2 -> AlBr3
2,3,2
200
What type of solution (acidic/basic or neutral) results when Na2O is dissolved in water?
neutral
200
How does concentration affect reaction rate?
Higher concentration means faster reaction
300
Which atom has 16 protons and 16 neutrons?
Sulfur
300
What is the formula for iron (III) carbonate?
Fe2(CO3)3
300
What type of reaction is represented by this word equation: potassium sulfate and lead(II)nitrate to make potassium nitrate and lead(II)sulfate
double replacement
300
A mixture of lemon juice, bromothymol blue, and indigo carmine is prepared. What is the colour of this mixture?
Green
300
If solution A has a temperature of 70 degrees and solution B has a temperature of 40 degrees, which would react faster with solution C.
Solution A
400
State 2 differences between an ionic and covalent bond
1) ionic donates electrons, covalent shares electrons 2) ionic is metal+non metal, covalent is non metal+non metal
400
Name the compound (NH4)2S and state which type of bond is formed.
Ammonium Sulphide, Covalent
400
Predict the products of this reaction: Al + CaF2 ->
AlF3 + Ca
400
What is the name of the compound H2SO4?
Sulfuric acid
400
How does a catalyst speed up a reaction?
It reacts more easily with the reactants to create an intermediate product, which then react to create the final products.
500
How many bonding pairs and lone pairs are there in NH3
3 bonding pairs, 1 lone pair
500
State the different atoms and their quantity in the compound copper(II)nitrate.
Copper (2), Nitrogen (2), Oxygen (6)
500
State the coefficient in front of oxygen for this balanced reaction C3H8 + O2 -> CO2 + H20
5
500
Identify the products that complete the reaction: H2SO4 + Ba(OH)2 ->
BaSO4 + H2O
500
Explain in terms of collision why putting food into a fridge decreases reaction rate
Less energy means particles move slower so there are less collisions
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