A molecule of water, formed when two hydrogen atoms (oxidation number 1+) and one oxygen atom (oxidation number 2-) bond, has an oxidation number of:

What is the total of the oxidation numbers for all the atoms in lithium oxide? (Li₂O)

The best Lewis dot structure representation of the bonding between lithium and oxygen atoms is:

What do organic chemists study?

A substance made of two or more elements that cannot be separated by physical means is called a:

The name for a mixture in which all samples are made up of the same proportions of matter is:

All of the following are examples of heterogeneous mixtures EXCEPT:

Physical properties used to indicate temperature changes include all of the following except:

 $\circ C\ +273=K$  

A Kelvin temperature equal to 25 degree Celsius is:  

The temperature at which water molecules have the LEAST amount of thermal energy is:

Solids retain their shape and size, if kept at constant temperature and pressure. At a constant temperature and pressure, liquids retain their:

Condensation occurs when

The process during which a substance changes from a solid directly to a gas without becoming a liquid is known as:

All of the following phases of matter may flow EXCEPT:

List the phases of water in order, from the phase with the slowest molecular movement to the phase with the fastest molecular movement:

Evaporation cools you down when you sweat because:

The figure below represents a graph using data taken as a substance is cooled.

Using the graph, the portion of the graph during which the substance is all liquid is represented by interval:

The amount of thermal energy stored in an object depends on:

When thermal energy flows, it raises the temperature of some substances more than others. This property of a substance is called:

When you put ice in a drink to cool it:

When thermal energy is added to a body, the rate at which its temperature increases depends upon all of the following properties EXCEPT:

Twenty grams of each of the substances in the table is heated from a temperature of 50 degrees Celsius to a temperature of 65 degrees Celsius. The one containing the smallest amount of thermal energy is:

According to the graph, the specific heat of the unknown substance during the solid phase is:

Which of the following is NOT a good insulator?

The type of heat transfer which required no matter in order for it to occur is called:

The condition which occurs when two bodies reach the same temperature is

Earth receives heat from the sun by:

Due to its large mass, an iceberg has more internal enrgy than a hot cup of coffee. If the cup of coffee is placed in thermal contact with an iceberg:

The sand on the beach felt very hot on Bethany's bare feet. What type of thermal energy is this?

A cool breeze blows off the water. What type of thermal energy is this?

Natural convection is most likely to be caused by differences in __________ throughout a fluid.

In general, the most dense phase of matter on Earth is:

The density of a solid material depends on two things; how closely atoms or molecules are packed AND:

A measure of how much pulling, or tension, a material can withstand before breaking is:

The property of gold which would make it most useful in the creation of jewelry is:

Which material has the highest density?

The airfoil shape of an airplane wings is an important application of:

Applied force creates pressure in all directions in:

"Pressure applied to an incompressible fluid is transmitted equally throughout the fluid" is an expression of:

Rubber is an unusual in that it contracts (shrinks) when heated. Warming a rubber ball would:

Atmospheric pressure is 100,000 N/m² at sea level. The force exerted on a sheet of plywood 3.00 meters long and 0.750 meters wide on the ground is:

What does Archimedes' principle state?

A metal bolt tied by string to a spring scale weighs 3 N. When the bolt is completely submerged in water, the reading on the spring scale is 2 N. The buoyant force exerted by water on the bolt is: