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sciencce
Term | Definition |
---|---|
Model | a representaion |
Atom | the most basic level of life |
Neucleus | a positively charged mass that is made up of protons and neutrons |
Proton | positively charged |
Neutron | neutral charged |
Electron | negative charged |
Atomic number | number of protons in the nucleus |
Atomic symbol | the symbol of an element |
subatomic particles | particles smaller than atoms |
Lewis structure | a representation of an atom using dots |
Bohr model | its not full correct and its a representaiton of an atom |
Electron shell | locations of orbiting electrons that will only hold a certain amount of electrons |
Valence electron | an electron found in the farthest shell |
Molecule | the smallest unit of a substance |
Matter | anything that takes up space and has mass |