Mass per unit volume. This is a measure of how much "stuff" an object has in a given volume (e.g., grams per a cubic centimeter)
A state of matter with a well defined volume in which particles freely flow.
The "starting material" in a chemical reaction.
An American brand and trade name for automotive aftermarket products. In Chemistry, it refers to a standard in temperature and pressure.
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
A very versatile element, capable of forming an incredible number of compounds. All organic compounds contain it.
A state of matter characterized by particles arranged such that their shape and volume are relatively stable.
The temperature at which a liquid turns into a gas.
6.02 x 10^23 molecules is ONE of these. Yeah, that's a big number!
The temperature at which a liquid turns into a solid.
The basic unit of a chemical element. It's the fundamental building block of matter.
Reactive non-metallic elements in the VIIA group of the Periodic Table. Some of these you already know, such as fluorine, chlorine, and iodine.
The positively charged center of an atom consisting of protons and neutrons.
Usually defined as a compound that does not contain carbon. However, this term also defines carbon dioxide, carbon monoxide, and carbonates.
An insoluble solid (doesn't dissolve) that usually falls to the bottom of a solution.
In general, a compound that contains carbon is called this. This compound makes up a very small percentage of the Earth's crust, but is the basis of life.
A molecular bond that involves the sharing of electron pairs between atoms. Common examples include water, hydrogen gas, and carbon dioxide.
A row in the Periodic Table.