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Biology - Wagaman
WCHS Wagaman biology Chapter 6A
| Word | Definition |
|---|---|
| Energy | the ability to cause change |
| element | a substance that can't be broken down into simpler substances |
| atom | athe smallest particle of an element with the characteristics of the element |
| compound | a substance made of atoms of two or more elements |
| molecule | a group of atoms held together by covalent bonds |
| ion | an atom with a positive or negative charge |
| mixture | a combination of substances where the individual components in the substance retain their own properties |
| solution | a mixture where one substance is dissolved in another |
| polar molecule | a molecule with an unequal distribution of charge |
| diffusion | the movement of particules from an area of higher concentration to an area of lower concentration (happens naturally) |