Question | Answer |
Anything that has mass and takes up space | Matter |
The amount of matter in something | Mass |
Firm and stable in shape; | Solid |
Having a consistency like that of water or oil, i.e., flowing freely but of constant volume. | Liquid |
An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity. | Gas |
The amount of space something occupies | Volume |
A property that can be observed without changing the identity of the substance. | Physical Property |
A property that can only be observed by changing the identity of the substance | Chemical Property |
Smallest unit of matter | Atom |
Number of protons in an atom of a given element | Atomic Number |
Number of protons plus the number of neutrons in an atom | Atomic Mass |
Center of the atom that has the protons and neutrons (heaviest part of the atom) | Nucleus |
Positive subatomic particle in the nucleus | Proton |
Neutral subatomic particle in the nucleus | Neutron |
Negative subatomic particle that is around the outside of the nucleus | Electron |
Ability to be flattened into a sheet; bendable | Malleability |
Ability to be stretched into a wire | Ductility |
Ability to react with another substance | Reactivity |
Horizontal rows on periodic table | Period |
Vertical columns on periodic table | Groups |
Temperature where solid turns to liquid | Melting Point |
Temperature where liquid turns to gas | Boiling Point |
Shiny, good conductors, malleable, ductility | Metal |
Like both metal and non-metal, shiny, malleable, semi-conductors | Metalloid |
Poor conductors, mostly gases, dull | Non-metal |