What is the name of the ion represented by PO4 in the compound Mg3(PO4)2?

Phosphate Ions and Magnesium Compounds

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Chemistry
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9th - 10th Grade
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Hard

Mia Campbell
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbonate ion
Nitrate ion
Sulfate ion
Phosphate ion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is the metal in the compound Mg3(PO4)2?
Magnesium
Sulfur
Oxygen
Phosphorus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in naming the compound Mg3(PO4)2?
Determine the charge of the ion
Write the name of the metal
Count the number of atoms
Identify the non-metal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the phosphate ion (PO4) in Mg3(PO4)2?
2-
3-
1-
4-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many phosphate ions are present in the formula Mg3(PO4)2?
Three
Two
One
Four
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total positive charge needed to balance the negative charge of two phosphate ions?
3+
6+
4+
5+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many magnesium ions are required to balance the charge of two phosphate ions in Mg3(PO4)2?
Three
Two
Four
One
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final formula for magnesium phosphate?
Mg(PO4)3
Mg3(PO4)2
Mg2(PO4)3
Mg(PO4)2
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