1 |
chemical elementA pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.
|
2 |
chemical elementAny of the more than 100 known substances that cannot be separated into simpler substances and that individually or in combination constitute all matter.
|
3 |
chemical elementA fundamental substance comprising one kind of atom; the simplest form of matter.
|
4 |
chemical elementA fundamental substance comprising one kind of atom; the simplest form of matter.
|
5 |
chemical elementSee atom.
|
<< broken-line graph | combined gas law >> |