chapter 9 vocab Flashcards
(7 cards)
0
Q
a compound that produces hydroxide ions in solution
A
base
1
Q
a compound that produces hydrogen ions in solution
A
acid
2
Q
a compound composed of two elements
A
binary compound
3
Q
in samples of any chemical compound, the masses of the elements are always in the same proportion
A
law of definite proportions
4
Q
whenever two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers
A
law of multiple prolortions
5
Q
a single atom with a positive or negative charge resulting from the loss or gain of one or more valance electrons
A
monatomic ion
6
Q
a tightly bound group of atoms that behaves as a unit and has a positive or negative charge
A
polyatomic ion
