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4. molecules are neutral.
5. a term that means "without water" is anhydrous.
6. when an atom gains or loses electrons, the charged particle that results is called a molecule.
alled moleccte.
7. the formula so42- stands for ammonium.
. an atom is chemically unstable when its outer energy level contains all the electrons it can hold.
the chlorine atoms in hydrogen chloride have a stronger attraction for the electrons than the hydrogen atoms
do. the hydrogen chloride molecule is therefore a nonpolar covalent molecule.
an element's oxidation number indicates how many electrons the element must gain, lose, or share to become
stable.
oice
etter of the choice that best completes the statement or answers the question.
a chemical formula, the number of each type of atom in the compound is shown by numbers called
superscripts
c. oxidation numbers
chemical symbols
d. subscripts