A | B |
mixture | two or more materials which when combined keep their original properties |
solution | a special type of mixture where the atoms of the materials join together |
suspension | a mixture where tiny particles of one material float around in the other material |
matter | anything that has mass and takes up space |
elements | a pure substance that cannot be broken down into different substances |
The Periodic Table | a scientific table which lists around 120 known elements in the universe |
atoms | the smallest particle of an element |
The three particles in an atom | neutron, electron, proton |
Atomic particle which has a negative charge | electron |
Atomic particle which has a positive charge | proton |
Atomic particle which is neutral | neutron |
compound | a chemical combination of 2 or more elements |
molecule | made up of 2 or more of atoms |
physical change | a change in the size, shape or phase of matter |
chemical change | when combining matter and an entirely new material is made |
Ways to tell a chemical change has occured | a color change, gas bubbles, a solid is produced, or light of sound energy is released |
diluted solution | more solute can be added to the solvent |
saturated solution | no more solute can be dissolved in the solvent |
solute | the substance being dissolved in a solution |
solvent | the substance doing the dissolving in a solution |
volume | how much space something fills |
weight | how heavy something is |
density | how heavy something is compared to its volume |
magnetism | the ability for something to be attracted to a magnet |