Biology Unit 2 test Word Scramble
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| Question | Answer |
| anything that occupies space and has mass | matter |
| amount of space occupied by matter | volume |
| amount of matter in an abject | mass |
| ratio of the matter's mass to its volume | density |
| the form in whcih matter exists | physical state |
| physical properties of matter | size, shape, texture, hardness, volume, mass, density, physical state |
| chemical properties of matter | ability to burn, ability to rust, ability to decompose |
| the basic unit of matter; comes from Greek word atomos, which means "unable to cut" | atom |
| subatomic particles of an atom | proton, neutron, and electron |
| particle with relatively large mass and positive charge | proton |
| about the same mass as a proton and no charge | neutron |
| relatively small mass and a negative charge; move around outside of the neucleus | electron |
| the center of the atom | nucleus |
| pure subtance that consists entirely of one type of atom | element |
| amount of protons in an element | atomic number |
| number of protons plus the number of neutrons | mass number |
| atoms of the same element that differ in the number of neutrons they contain | isotopes |
| the weighted averages of the masses of an element's isotopes | atomic mass |
| substance formed by the chemical combination by two or more elements in definite proportion | compound |
| main types of bonds | ionic bond and covalent bonds |
| chemical bond formed when one or more electrons are transferred from one atom to another | ionic bond |
| type of bond between in which the electrons are shared | covalent bodn |
Created by:
kayleigh.darbonne.16
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