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Atoms(Physics)

Atoms Ms.Boltob

TermDefinition
Model A system or thing used as an example
Atom The basic unit of a chemical element
Nucleus the positively charged center of a atom
Proton subatomic particle occurring in all atomic nuclei with a positive charge
Neutron a subatomic particle without an electric charge occurring in all but hydrogen atoms
Electron a subatomic particle with an negative charge in all nuclei acts as primary carrier of conducting electricy
Atomic Number the number of protons in the nucleus of the atom which determine the chemical properties and place in periodic table
Atomic Symbol mass number and the atomic number of the isotope
subatomic particle a particle smaller than a atom
Molecule a group of atoms
Lewis Structures diagrams that show bonding of between atoms of molecules and lone pairs of electrons
Bohr Model model showing electrons orbiting the nucleus at a set distance
Electron Shell electrons in outermost shell determine properties
Valance electron electron that participates in the formation of a chemical bond
Matter that which occupies time and space
Created by: aitski
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