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Rates of Reaction
Atomic Structure
Bonding
Formulae and Calculations
Acids and Bases
100

What is a catalyst?

A substance that is used to speed up a chemical reaction, but remains chemically unchanged at the end of the reaction

100

Why is an atom overall neutral?

It has the same number of positive protons as negative electrons which balance each other out

100

A covalent bond forms between what types of elements?

non-metal elements

100

What is the name of a compound which contain calcium and chlorine?

Calcium Chloride

100

H+ ions are in higher concentration in which type of solution?

Acidic

200

What effect does increasing the particle size have on the rate of reaction?

It decreases the rate of a chemical reaction

200

What is the charge on a group 1 ion?

+1

200

Complete the sentence:

An ionic bond forms due to the 

electrostatic attraction between a positive metal ion and negative non-metal ion

200

What is the name of a compound which contains copper, nitrogen and oxygen?

Copper nitrate

200

Describe what happens to the pH of an alkaline solution when it is diluted.

pH decreases

300

A student measures the volume of gas produced in a chemical reaction and measures the volume every 20 seconds. What would the units be for the reaction?

cm3s-1

300

What does the atomic number tell you?

The number of protons in a nucleus

300

State the term used to describe the structure of solid strontium chloride

Ionic Lattice

300

Calculate the formula mass of CaCO3

100g

300

Name the salt produced if lithium carbonate and sulfuric acid react together

lithium sulfate

400
What effects the final volume of gas produced in a reaction?

The mass and volume of reactants used

400
Lead has a mass number of 207. How many neutrons are present in the nucleus?

125

400

State why ionic compounds, like strontium chloride, conduct electricity when molten.

Ions are free to move

400

What is the name of the compound with the formula Ag2O?

Silver (I) oxide

400

Name the base used if the products of a reaction are zinc chloride, water and carbon dioxide

zinc carbonate

500

Volume and Mass can be used to follow the rate of a chemical reaction. Name the other 2 measurements that can be taken to follow the rate of a reaction

pH and concentration

500
A magnesium ion has 12 protons in its nucleus. How many electrons does it have?

10

500

Tungsten(VI) fluoride is a toxic, colourless gas at room temperature. State the type of bonding and structure present in the compound

Covalent molecular

500

Balance the following equation:

C6H12 + O2 -> CO2 + H2O

C6H12 + 9O2 -> 6CO2 + 6H2O

500

Sulfur was burned in air. The product was added to water, producing what type of solution? 

Acidic