a) This is the space an object takes up
b) This is the amount of matter in an object
c) This is anything that has mass and volume
What is a) volume
b) mass
c) matter
100
A substance that cannot be further simplified.
What is an element
100
These are the 3 particles that make up atoms.
What are protons, neutrons, and electrons.
100
A physical combination of 2 or more substances that do not form new substances.
What are mixtures.
100
This is a change of matter that results in a new substance that is different from the original substance(s).
What is a chemical change.
200
a) This is how strongly gravity pulls on an object.
b) This is how tightly matter is packed in an object
What is a) weight
b) density
200
The smallest particle that has the properties of an element.
What is an atom
200
This is the number of protons in an atom.
What is the atomic number.
200
a) This is a mixture whose particles settle and separate within a few hours.
b) This is a mixture whose particles are the size of atoms and molecules that have the same make-up through out.
What is a) suspension
b) solution
200
This is formed when the atoms of 2 or more elements combine.
What is a compound.
300
The fastest particles on the surface of the liquid escape into the air and become a gas, this is called:
What is evaporation
300
The ancient Greeks thought that all matter was made up of these 4 substances.
What is earth, fire, wind, and water.
300
This arranges all the known elements in a chart of rows and columns of increasing atomic number.
What is the Periodic Table.
300
a) This part of a solution does the dissolving_______, while b) this part gets dissolved, ________.
What is a) solvent
b) solute
300
A ______ has symbols to show which elements have combined to form that particular compound.
What is a chemical formula.
400
a) This is the temperature at which a solid becomes liquid
b) This is the temperature at which a liquid rapidly changes to gas
c) This is the temperature at which a liquid changes into a solid
What is a) melting point
b) boiling point
c) freezing point
400
Name an element that we breathe.
What is oxygen or carbon dioxide or nitrogen.
400
Helium, neon, argon, krypton, xenon, and radon are known as ______. These are considered inert.
What is noble gases.
400
The greatest amount of solute that a given amount of solvent can dissolve is called the _____.
What is the solubility.
400
This indicates the number of atoms that have combined.
What are subscripts.
500
Some solids vaporize without becoming liquid. When a solid changes into a gas, this is called:
What is sublimation
500
This is the abbreviation for Oxygen.
What is O.
500
a) This is a substance that conducts heat and electricity well.
b) This is an element that is a poor conductor of heat and electricity.
c) These are a very small group of elements that have some properties of metals and some none metals.
What is a) metal
b) nonmetal
c) metalloids
500
This is a method of separating a liquid and a sold.
What is filtration.
500
These are molecules composed of hydrogen and carbon.