6. (1 point) What is the correct formula for sodium sulfate? *
NaHSO₃
NaHSO₄
Na₂SO₃
Na₂SO₄
7. (1 point) Binary molecular compounds are made of two __________. *
metalloid elements
metallic elements
nonmetallic elements
polyatomic ions
8. (1 point) Which of the following correctly shows a prefix used in naming a binary molecular compound along with its corresponding number? *
penta- , 6
hexa- , 4
deca - , 8
nona- , 9
9. When the name of the anion that is part of an acid ends in – ate the acid name includes the suffix ____. *
-ous
-ic
-ate
-ite
10. (1 point) In any chemical compound, the elements are always combined in the same proportion by ______. *
mass
density
charge
volume
11. (1 point) Avogadro’s number of representative particles is equal to one _______. *
Kelvin
mole
gram
kilogram