An example of a chemical property is _______________ content. To observe a
chemical property, it is necessary that a c ______________ r _______________
occur. Such reactions may be due to l _______________ , h _______________,
or e _______________ .
The three basic parts of an atom are the p _______________ ,
e _______________ , and n _______________ . A p _______________ has a
mass of _______________ and a charge of (-1) (0) (+1). A n _______________
has a mass of _______________ and a charge of (-1) (0) (+1). An
e _______________ has a mass, rounded to the nearest unit of
_______________ and a charge of _______________ .
The atomic number of an element is the number of _______________ in each
atom of the element. In an electrically neutral atom, it is also the number of
_______________ in that atom.
The atomic weight of an element is the number of _______________ and
_______________ in each atom of the element. An atom containing six protons
and six neutrons has an atomic weight of _______________ .
The term electron configuration refers to the _______________ and
_______________ of electrons in the atoms of an element.
Isotopes of an element have in their atoms the same number of
_______________ but different numbers of _______________ .
The maximum number of electrons in the K shell is _______________ , in the L
shell is _______________ , in the M shell is _______________ , and in the N
shell is _______________ .