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Vocab

TermDefinition
Atom An atom is the basic unit of matter, consisting of a central nucleus surrounded by a cloud of negatively charged electrons.
Element An element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei.
Proton A proton is a positively charged subatomic particle located in the nucleus of an atom.
Neutron A neutron is a subatomic particle with no net electric charge, located in the nucleus of an atom.
Electron An electron is a negatively charged subatomic particle that orbits the nucleus of an atom.
Isotope An isotope is a variant of an element that has the same number of protons but a different number of neutrons in its nucleus.
Ion An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
Compound A compound is a substance formed when two or more different chemical elements are chemically bonded together.
Molecule A molecule is a group of two or more atoms held together by chemical bonds.
Ionic bond An ionic bond is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions.
Covalent bond A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
Created by: user-1965277
 

 



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