1.
The number of protons. It is also the number of electrons.
2.
The number of protons + the number of neutrons
3.
Substance made up of atoms with the same identity (ex. Gold, Helium, Aluminium)
4.
Type of matter with a fixed composition that cannot be separated by physical means
5.
Atoms of two or more elements combined (ex. water,carbon dioxide)
6.
Material made up of two or more substances that can be separated by physical means
7.
Mixture in which different materials can be easily distinguished (ex. pizza, fruit salad, granite)
8.
Mixture in which two or more substances are uniformly spread out (ex. vinegar, saltwater, milk)
9.
The invisible region around any charged object where an electric force applied
10.
An unbalanced amount of positive charge and negative charge.
11.
An object with equal amounts of positive and negative charge
12.
Charging an object without touching
13.
a material in which charges cannot easily move
14.
charging an object by allowing it to come into contact with an object that already has an electric charge.
15.
homogeneous Mixture of particles so small that they cannot even be seen with a microscope and will never settle to the bottom of their container
