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Ch2: Basic Chemistry
Term | Definition |
---|---|
Matter | Anything that occupies space and has mass (weight) |
energy | the ability do work. |
elements | fundamental units of matter. |
atoms | building blocks of elements |
Radioactivity | Process of spontaneous atomic decay. |
Compound | two or more atoms of the same elements combined chemically. |
Molecule | tow or more atoms of the same elements combined chemically |
Hydrogen bond | Weak chemical bond. provides attraction between molecules. |
Covalent bonds | Atoms become stable through shrared electrons. Can be polar or non-polar. |
Ionic bonds | When atoms become stable through the transfer of electrons. they form when electrons are completely transferred from one atom to another. |