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Chemistry Vocab

Teacher: Chris,Freddy,Moo
Across
the lowest energy state of an atom or other particle
states that every atom wants to have eight valence electrons in its outermost electron shell.
denoting chemical bonds formed by the sharing of electrons between atoms.
occurring in the form of ions
no two electrons can have the same four electronic quantum numbers.
is a measure of the tendency of an atom to attract a bonding pair of electrons
electrostatic attraction between the positively charged atomic nuclei of metal atoms and the delocalised electrons in the metal
Down
An arrangement of noble gases
electrons are added to orbitals as protons are added to an atom.
a physical state where the atom’s energy levels are higher than the ground state
the elements when arranged in the order of their atomic numbers show a periodic variation of atomic structure and of most of their properties.
every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.
the smallest fundamental unit of a chemical compound that are made up of atoms