click below
click below
Normal Size Small Size show me how
Chemistry Ch. 1
Chemistry Ch. 1 Master Books
Term | Definition |
---|---|
chemistry | the study of matter |
atom | the smallest unit of matter that can be identified as an element |
chemical reaction | the atoms in molecules are rearranged in different combinations |
density | the mass of an object divided by its volume (such as grams per milliliter) |
hypothesis | a proposed explanation for observed phenomena |
mass | the measure of the amount of matter in an object |
model | a description of the properties and behavior of something that cannot be seen (such as atoms and molecules) |
molecule | two or more atoms bonded together (such as water molecule H20) |
theory | a hypothesis that has been thoroughly tested and supported by many experts |
weight | the pull of gravity upon the mass of an object |