polyatomic ions Flashcards
What is the formula for the sulfate ion?
SO4^2-
True or False: The formula for the nitrate ion is NO3^-.
True
Fill in the blank: The formula for the phosphate ion is _______.
PO4^3-
What is the charge of the carbonate ion?
2-
Which of the following is the correct formula for the ammonium ion? A) NH4^+, B) NH3^+, C) NH2^-
A) NH4^+
True or False: The hydroxide ion has the formula OH^-.
True
What does the ‘2-‘ in SO4^2- represent?
The charge of the sulfate ion
True or False: The formula for the nitrite ion is NO2^-.
True
What is the charge of the cyanide ion?
-1
Which ion has the formula PO3^3-? A) Phosphate, B) Phosphite, C) Pyrophosphate
B) Phosphite
Which of the following is the correct formula for the phosphate ion? A) PO4^3-, B) PO3^3-, C) PO2^-
A) PO4^3-
What is the charge of the acetate ion?
-1
What is a polyatomic ion?
A polyatomic ion is a charged species composed of two or more atoms covalently bonded together.
True or False: Polyatomic ions can only be negatively charged.
False
Fill in the blank: The sulfate ion is represented by the formula __________.
SO4^2-
Which of the following is a common polyatomic ion? A) Na+ B) NH4+ C) Cl-
B) NH4+
Name one example of a polyatomic ion that contains oxygen.
Nitrate (NO3-)