A cation is a neutral atom that has lost an electron from its valence shell and has a positive charge. An anion is a neutral atom that has gained an electron to its valence shell and has a negative charge.

Atoms are the basic units that all matter is made of and they are the smallest part of any object. An ion is any atom whose protons do not equal its electrons.

Molarity, also known as molar concentration, measures the number of moles of a substance present in per liter of solution. Molarity is denoted with a capital M. Molality measures the number of moles of a...

Homogenous refers to a solution that is a completely uniform mixture of two or more objects. Heterogeneous refers to solutions that are not completely uniform and in most cases is clearly visible when viewing...

Water vapor is when water molecules are present in the air, while steam is water heated to the point that it turns into gas. In simplified science, both are referred to as the gaseous state of water. Steam is...