Term | Definition |
Element | a substance made up of one type of atom |
Matter | something that takes up space |
Mass | a measure of the amount of matter in an object |
Density | the relationship between mass and volume |
Volume | the amount of space something takes up or occupies |
Atomic Mass | the total number of protons and neutrons in a balanced atom |
Atomic Number | the number of protons in the nucleus |
Atom | the basic building blocks of matter |
Element | an element is a substance made up of one type of atom |
Compound | a combination of two or more elements bonded with the same ratio of elements in each part |
Physical property and examples | color, shape, taste, texture(feel), sound |
Solid | definite volume and shape |
Liquid | definite volume no definite shape |
Gas | no definite volume or shape |
Electrons | in a balanced atom, the number of protons are the same as the number of electrons |
Neutrons | found by subtracting the atomic number by the atomic mass, no charge |
Subscript | H20: two hydrogen one oxygen |
Indicators of Chemical change | production of a gas, production of an odor, formation of a precipitate, change in color,change of energy/tempurature |
Protons | make up the identity of an element, they are the atomic number |
Mixture | a combination with at least two different types of compounds or elements |