Show:
Properties of Matter
The Periodic Table
Physical & Chemical Changes
Mixtures & Compounds
100
solid, liquid, gas, and plasma
What are the states of matter?
100
The number that defines what element it is based on the number of protons.
What is atomic number?
100
The process by which a liquid changes to a gas.
What is evaporation?
100
Pure substances that are made of more than one type of atom and can be broken down into its elements by chemical means.
What is a compound?
200
The measure of the amount of matter in an object
What is mass?
200
The lightest of all the elements?
What is Hydrogen?
200
The temperature at which a substance in its solid state changes to a liquid
What is the melting point?
200
The universal solvent (better at dissolving things than any other liquid).
What is water?
300
The amount of mass that a material has per unit of volume.
What is density?
300
The term used to describe the columns and rows in the periodic table.
What is a group and period?
300
The starting substances in a chemical change.
What is the reactant?
300
A solution that is mainly water .
What is aqueous?
400
The curved surface of a liquid.
What is a meniscus?
400
This element is important in nerve and muscle activity, is used in glass, and soap and has the symbol K.
What is Potassium?
400
A chemical reaction caused when iron and oxygen combine.
What is rust?
400
A mixture which has regions or areas with different compositions and properties.
What is a heterogeneous mixture?
500
A physical property in which an element can be shaped or formed by applying pressure, ex: Aluminum.
What is malleable?
500
Metals that are softer than most other metals and can explode if they are exposed to water.
What is alkali metal?
500
Matter cannot be created or destroyed, only rearranged during chemical reactions.
What is the Law of Conservation of Mass.
500
A solution that is neither acid or base and has a pH of 7.
What is a neutral solution?