Science

a substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number

a substance made up of atoms of two or more different elements joined by chemical bonds

a combination of two or more substances that are not chemically combined

a homogeneous mixture throughout which two or more substances are uniformly dispersed

in a solution, the substance that dissolves in the solvent

in a solution, the substance in which the solute dissolves

the amount of a particular substance in a given quantity of a mixture, solution, or ore

a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas

the smallest unit of an element that maintains the chemical properties of that element

posotive charge

neutral charge

negative charge

the number of protons in the nucleus of an atom; the atomic number is the same for all atoms of an element

an atom of the same element that has the same number of protons but different number of neutrons

an atom (or group of atoms) that has become electrically charged. Meaning the atom has gained or lost electrons.