Question | Answer |
Matter | Anything that has mass and takes up space |
Mass | The amount of matter in something |
Volume | The amount of space something occupies |
Solid | A solid is something that is hard and can't be deformed easily |
liquid | a liquid is something that can take any shape and can move easily |
Gas | a gas is something that can fill any object and expands because it can move freely |
Physical Properties | a property that can be observed without changing the identity of the substance. |
Chemical Prperties | a property that can only be observed by changing the identity of the substance |
Atom | smallest unit of matter |
Atomic Number | the number of protons in an atom of an element |
Atomic Mass | the number of neutrons and protons combined |
Nucleus | The part of an atom the has all the neutrons and protons |
Proton | a positively charged particle in the nucleus |
Neutral | a neutrally charged part of the nucleus |
Electron | Negatively charged part of the nucleus |
malleability | ability to be flattened into a sheet; bendable |
ductility | ability to be stretched into a wire |
reactivity | ability to react with another substance |
period | the horizontal rows on a periodic table |
groups | vertical columns on a periodic table |
melting point | the point that when a solid turns to a liquid |
boiling point | the point where a liquid turns to a gas |
metal | shiny,good conductor, malleability, ductility |
metalloid | both metal and non-metal |
non-metal | gas, poor conductor |