Science 10 - Chemistry Review

Safety

100

What does WHIMS stand for?

Workplace Hazardous Materials Information System

200

What symbol is used to describe something that is toxic?

Mr Roy draw on the board

300

What is the difference for a chemical that is flammable and a chemical that is an oxidizer?

Oxidizing chemicals produce their own oxygen.

Mr Roy draw symbols on the board

400

What is the term used for a hazard containing organic matter?

Biohazard

Atomic theory

100

What are the four elements accourding to Aristotle?

Fire, Water, Air and Earth

200

What scientist's model was the first to include the electrons?

Thompson

300

What scientist's model was the first to include the neutron?

Rutherford

400

What was the main difference between the Rutherford and the the Bohr models?

Electrons exist on energy levels around the neucleus.

Nomenclature

100

What is the chemical formula for iron (II) sulfate?

FeSO₄

200

What it the chemical formula for tetrasulfur dioxide?

S₄O₂

300

What is the name of this compound?

Cu(NO₃)₂

Copper (II) nitrate

400

What is the name of the folowing compound?

(NH₄)₃PO₄

Ammonium phosphate

Reactions

100

What kind of reaction is this?

CO_2(g) --> C_(s) + O_2(g)

Decomposition

200

What is the balanced chemical equation for burning ethane (C₂H_{6 (g)})?

2C₂H_6(g) + 7O_2(g) --> 4CO_2(g) + 6H₂O_(g)

300

What is percipitate when a solution of silver sulfate reacts with a solution of sodium chloride?

Silver chloride

AgCl_(s)

400

What is the balanced chemical reaction for solid copper being placed in a silver nitrate solution?

Cu_(s) + 2AgNO_3(aq) --> Cu(NO₃)_2(aq) + 2Ag_(s)

Moles

100

What is the molar mass of carbon dioxide?

44.01 g/mol

200

What is the molar mass of mercury (II) sulfate?

296.66 g/mol

300

How may moles are found in 30.0g of soduim phosphate?

0,183 mol

400

3.000 moles of an unknown metal have a mass of 590.91g. What is this metal?

Gold

Au