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Chemistry Crossword Puzzle

Teacher: mrs.strong
Across
_ electrons are defined as electrons in the atom's outermost orbitals.
Atoms with the same number of protons, but different numbers of neutrons.
Subatomic particle that has a positive charge
Centrally located within the atom that's filled with protons and neutrons.
Another term for groups
Electrons are _ charged subatomic particles.
The atomic mass on an element is the weighted average _ of the isotopes of that element.
Metalloids are elements with physical and chemical _ of both metals and nonmetals.
The minimum amount of energy that can be gained or lost by an atom.
The _ rule states that atoms tend to gain, lose, or share electrons in order to acquire a full set of eight valence electrons.
A photon is a particle of electromagnetic _ with no mass that carries a quantum of energy.
The _ principle states that each electron occupies the lowest energy orbital available.
The atomic mass of an element is the weighted average _ of the isotopes of that element.
Down
The wave's height from the origin to a crest, or from the origin to a trough.
An atom or bonded group of atoms that has a positive or negative charge.
The arrangement of electrons in an atom is called the atom's electron _ .
The periodic law states that elements are arranged by increasing atomic _
The ground state is the _ allowable energy state of an atom.
The electromagnetic _ encompasses through all forms of electromagnetic radiation, with the only differences in the types of radiation being their frequencies and wavelengths.
Form of matter that flows to conform to the shape of its container and fills the entire volume of its container.
An atom's electron-dot _ consists of the electron's symbol, which represents the atom's the atomic nucleus and inner-level electrons, surrounded by dots representing the atom's valence electrons.
Principal quantum numbers indicate the relative sizes and energies of atomic _.