LJ#11-20 Flashcards
Atom
the basic unit of matter.
Proton
the positively charged particle found in the nucleus of an atom.
Neutron
the particle with no charge found in the nucleus of an atom.
Electron
the negatively charged particle found outside the nucleus of an atom.
Element
a pure substance that consists entirely of one type of atom.
Molecule
a group of atoms bonded together forming the smallest fundamental unit of a pure substance
Isotopes
atoms of the same element with different numbers of neutrons.
Chemical Bonding
an attraction between two or more atoms resulting in the formation of different chemical substances
Chemical Reaction
changes in chemical substnces involving bond breaking and/or bond forming resulting in different chemical substances
Ion
a positively or negatively charged atom.
the basic unit of matter.
Atom
the positively charged particle found in the nucleus of an atom.
Proton
the particle with no charge found in the nucleus of an atom.
Neutron
the negatively charged particle found outside the nucleus of an atom.
Electron
a pure substance that consists entirely of one type of atom.
Element