Multiple Choice
Which of the following is the correct chemical formula for the ionic compound formed between Cu^{2+} and P^{3-} ions?
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3. Chemical Reactions
Writing Ionic Compounds
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Which of the following is the correct chemical formula for gallium phosphide?
A
GaP
B
GaPO_4
C
Ga_3P_2
D
Ga_2P_3
Verified step by step guidance1
Identify the elements involved: gallium (Ga) and phosphorus (P).
Determine the common oxidation states of each element: gallium typically has a +3 oxidation state, and phosphorus typically has a -3 oxidation state in binary compounds.
Combine the ions in ratios that balance the total positive and negative charges to achieve electrical neutrality.
Since gallium is +3 and phosphorus is -3, they combine in a 1:1 ratio, leading to the formula GaP.
Verify that the formula GaP is a binary compound with balanced charges and represents gallium phosphide correctly.
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