Ch.8
Ch.9 & 10
Ch.11
Ch.12
Ch.13
100
The elements in Groups 1, 2, and 13-17 are called the?
Main Group Elements
100
Chemical bonding results in?
Increased stability
100
Temperature constant, the pressure in a gas-filled container is directly proportional to the __________.
number of gas particles within
100
The number of things in one mole is the __________.
Avogadro constant
100
What sort of bonding makes sugar highly soluble in water?
hydrogen
200
In general, atomic size __________ from top to bottom within a Group?
Increases
200
The shielding effect is the tendency of inner energy level electrons to block the attraction of the nucleus for?
Valence electrons
200
__________ is the pressure that supports a 760-mm column of mercury.
one atmosphere
200
How many moles of sucrose, C12H22O11, are in 1222 g of sucrose?
3.57 moles
200
The attraction that water molecules have for each other is due to their __________.
polarity
300
These elements are soft, silvery metals and good conductors of heat and electricity.
Alkali metals
300
A __________ is a flowing, compressible state of matter that has no definite shape or volume.
gas
300
6.0 L of gas exerts a pressure of 2.5 atm. When the pressure is increased to 10.0 atm, the gas volume is _____?
1.5 L Notice how in the question each number you see only has one number after the decimal. This means your answer should only have one number after the decimal.
300
Determine the number of atoms in 3.54 mol S.
2.1 x 1024 atoms
300
Because of all its water, Earth is nicknamed the __________.
Blue Planet
400
An element with an atomic number between that of sodium and chlorine is a metalloid. What is that element?
silicon
400
Gas particles __________ kinetic energy when they collide with other particles or the walls of their container.
Don't lose
400
The __________ method is commonly used to convert measurements to other units.
Factor lable
400
What is the percent boron by mass in boric acid, H3BO3?
17.50%
400
Ice is __________ than liquid water.
less dense
500
Group 11 elements such as gold and silver are used for coinage. Which is NOT a property of these elements? A) non-reactivity B) rarity C) malleable D) non-conducting
Non-Conducting
500
What is the definition of pressure?
Pressure is the force acting per unit area of a surface.
500
The pressure of a sample of helium in a 1.0-L container is 0.857 atm. What is the new pressure if the sample is placed in a 0.5-L container? (Assume the temperature is constant.) I'm sorry you have to do a little math. lol
1.71 atm
500
According to the equation 2HBr + Na2CO3 → NaBr + H2O + CO2, what volume of CO2 at 1.230 atm and 325 K is produced by 50.0 g of HBr reacting with an excess of Na2CO3?
6.70 L
500
H2O is most dense at __________.
277K
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