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Concept Check
Naming & Writing Ionic Compounds
Naming & Writing Molecular Compounds
Chemical Reactions
Miscellaneous
100
What is a chemical reaction?
A change in matter that produces new substances with new properties.
100
Name the following compound: LiF. Why is it an ionic compound?
Lithium Fluoride It is an ionic compound because the first part of the name is a metal ion whereas the second part of the name is a non-metal ion.
100
Name the following compound: CO. Why is it a molecular compound?
Carbon monoxide. It is a molecular compound because both parts of the name are non-metals.
100
What are two ways to tell that a chemical reaction has occurred?
1) change in energy 2) change in colour (products is different colour from reactants) 3) gas is formed (bubbles, odour) 4) precipitate is formed (solid subtance when two clear solutions are mixed)
100

Name the polyatomic elements. 

1) sulfur 2) hydrogen 3) fluorine 4) chlorine 5) bromine 6) iodine 7) phosphorus 8) oxygen 9) nitrogen

200
What is the term used for substances that react together in a chemical reaction?
Reactants
200

Write the chemical formula for calcium chloride.

CaCl2

200
Quick learning check: What is the difference between an ionic compound and a molecular compound?
Ionic compounds= first part of the name is a metal ion whereas the second part of the name is a non-metal. Molecular compounds= both parts of the name are non-metals.
200

What is the product of the following reaction? In words and formula. 

Cu(s) + O2(g)

Copper (II) oxide. CuO(s)

200

How many neutrons are in 1 atom of nitrogen? 

7

300
Identify the information listed for the element beryllium: a) symbol b) atomic number c) number of protons d) number of electrons
a) Be b) 4 c) 4 d) 4
300

Write the chemical formula of aluminum oxide.

Al2O3

300

Write the chemical formula of sulfur dioxide

SO2

300
What type of reaction is this? copper + silver nitrate ----> silver + copper nitrate
Single displacement reaction
300
Balance the following equation: ___ K + ___ Br(2) ----> ___ KBr
2 K + Br(2) ----> 2 KBr
400
What is WHMIS and what does it stand for?
WHMIS (Workplace Hazardous Materials Information System) provides information about how to store, handle and dispose of chemical substances.
400

Name the following compound: Au2(SO4)3

Gold (III) sulfate

400

Write the chemical formula for carbon tetrachloride.

CCl4

400
What type of chemical reaction is this? Water ----> hydrogen + oxygen
Decomposition reaction
400

What is the electron structure of the oxide ion? (state how many electrons in each energy level) 

2, 8 

500

Which scientist's discoveries lead to our electron energy level diagrams? 

Neils Bohr
500

Write the chemical formula of vanadium carbonate

V2((CO3)5(s)

500

Name the following compound: N5O3. Is this a molecular compound?

Pentanitrogen trioxide. Yes it is a molecular compound because both nitrogen (N) and oxygen (O) are non-metals.

500

What are the products of the following reaction? Include states of matter. 

BaCl2(aq) + Na2SO4(aq)

NaCl(aq) and BaSO4(s)

500

What is the molar mass of pure sulfur? 

256 g/mol