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Matter Drew
Vocabulary
Question | Answer |
---|---|
Anything that has mass and takes up space. | Matter |
The amount of matter in something | Mass |
The amount of space something occupies | volume |
Usually hard holds its shape | Solid |
Does not hold it's shape, particles have more freedom to move than solids, but not a lot. | Liquids |
Particles are really spread out bounce around constantly. | Gases |
A property that can be observed without changing the identity of the substance | Physical property |
a property that can be 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 + the number of neutrons in an atom | Atomic Mass |
Center of an atom that contains protons and neutrons | Nucleus |
Positive subatomic particle in an atom | Protons |
Neutral subatomic particle in an atom | Neutron |
Negative subatomic particle that is around the outside of the nucleus | Electron |
Ability to be flatted. | Malleability |
Ability to be stretched into a wire | Ductility |
Ability to react with another substance | Reactivity |
Horizontal rows on a periodic table | Period |
Vertical columns on a periodic table | Groups |
Temperature where solid turns into liquid | Melting point |
Temperature where liquid turns into 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 |
The amount of mass per unit of volume | Density |