 | Term | Definition |
| |
elements |
substances made up entirely of one kind of atom that cannot be broken down into any other simpler substance |
| |
atom |
the smallest unit of an element that still has the properties of that element |
| |
chemical bond |
the force that holds two or more atoms together in atoms |
| |
covalent bond |
bond formed by the sharing of electrons between atoms |
| |
ionic bond |
bond formed when one or more electrons are transferred from one atom to another |
| |
energy |
released when a bond is broken |
| |
compound |
a group of atoms joined together |
| |
molecule |
the smallest unit of a compound |
| |
molecular |
the ________ formula shows the types and numbers of each type of atom |
| |
structral |
the ________ formula shows the arrangement of the atoms in the molecule |
| |
chemical bonds |
the atoms in molecules are held together by _________ _____ that contain energy |
| |
organic compounds |
all organisms are made of _______ |
| |
hydrecarbon |
organic compound that is made up of only carbon and hydrogen atoms. |
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