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Flash Cards 01
Science Words 01
Term | Definition |
---|---|
Model | A pattern, plain, or representation designed to show a concept or idea. |
Atom | The smallest unit in an element that maintains its original properties. |
Nucleus | An atoms "brain" or central part. It contains protons and neutrons. |
Protons | A subatomic particle that has a positive charge. |
Neutrons | A subatomic particle that has a neutral charge (no charge). |
Electrons | A subatomic particle that has a negative charge. |
Atomic Number | The number of protons in the nucleus of an atom. |
Atomic Symbol | A notation of one or two letters representing a chemical element. |
Subatomic Particle | The things that makes up an atom. |
Molecule | |
Lewis Structure | Are diagrams that show the bonding between atoms of a molecule and lone pairs of electrons that may be in a molecule. |
Bohr Model | Depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular motion around the nucleus. |
Electron Shell | An electron shell is the outside part of an atom around the atomic nucleus. |
Vallence Electron | The outermost shell around the nucleus of an atom. |
Matter | EVERYTHING AROUND US!!! |