Unit 1
What is the basic unit of matter?
Atom
What state of matter has a definite volume and shape?
A solid
How many groups are in the periodic table?
18
AB + C --> AC + B
What type of reaction is this?
single displacement reaction
How can you separate homogeneous mixtures?
distillation or melting
Name a measurement that uses derived units?
Area, density, electric charge, energy, frequency, pressure, or volume
What is the law of conservation of energy?
Energy is neither created nor destroyed
What elemental class is included in the alkali earth metals?
metals
List the factors that affect equilibrium.
concentration, pressure, and temperature
Which substance has a greater surface area?
Table salt or rock salt
Table salt
What is the difference between pure science and applied science?
Pure science deals with knowledge discovery and applied science deals with knowledge use.
What are atoms composed of?
protons, neutrons, and electrons
Define a bond length?
The distance between two bonded atoms.
Define half-life?
Time it takes for half of the atoms in a radioactive element to decay.
When acids and bases react, what do they create?
neutralization