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WorksheetsCh.3 Review
Total questions: 20
Worksheet time: 10mins
Water is known to have the following % composition, by mass:
%H = 11%
%O = 89%
This represents which law?
Law of Conservation of Mass
Law of Definite Proportions
Law of Multiple Proportions
The law of multiple proportions was stated by whom?
Lavoisier
Proust
Democritus
Dalton
All of the following were postulates (parts) of Dalton's atomic theory except for....
all atoms of a given element are the same
all matter is made up of protons, neutrons, and electrons
atoms cannot be broken down into smaller parts
atoms can be rearranged in ordinary chemical reactions
When 5.0 grams of element A react with 7.0 grams of element B, the product contains....
12.0 grams
2.0 grams
10.0 grams
13.0 grams
What is a positively charged ion?
an atom
an anion
a cation
an element
How many protons does the following have?
S2-
18
16
14
12
How many electrons does the following have?
S2-
18
16
14
12
In the following isotope, carbon-12, there are how many neutrons?
12
10
8
6
How many electrons does an argon atom have?
15
16
17
18
The "atomic mass" for an isotope comes from what two subatomic particles?
protons and electrons
electrons and neutrons
protons and neutrons
The formula to determine the charge of an ion is....
protons + neutrons
protons - neutrons
protons + electrons
protons - electrons
Name me....
Ca(CN)2
calcium carbonate
calcium carbon nitride
calcium cyanide
calcium dicyanide
Name me...
FeNO3
iron nitride
iron nitrate
iron (I) nitrate
iron (I) nitrite
What is my formula?
magnesium fluoride
MgF2
MgF
MnF
Hydrogen sulfate is the "old school" name for this acid....
hydrosulfuric acid
sulfuric acid
sulfurous acid
hydrosulfide acid
What is the name of the alkane with 1 C and 4 H?
methane
ethane
propane
butane
Removing 1 "H" from ethane, and replacing it with an "OH" changes its name to....
ethane
ethanol
ethane hydroxide
ethanol hydroxide
Neutralization reactions involve the following....
metals and non-metals
2 or more non-metals
acids and bases
organic molecules
Name me....
CuSO4 * 5 H2O
calcium sulfate and water
copper sulfate pentahydrate
copper (II) sulfate pentahydrate
copper sulfur oxide pentahydrate
In a neutralization reaction, the following is produced....
a metal
a non-metal
water
an organic molecule
