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What is the charge on the chromium ion in CrCl₃?
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
Which of the following particles contains a different number of electrons from the others? You may wish to use the data booklet to help you.
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
What is the charge on the zinc ion in the compound zinc phosphate Zn₃(PO₄)₂?
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
AgNO₃(aq) + KCl(aq) ---) AgCl(s) + KNO₃(aq)
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
An alkaline solution contains
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
Which term can be used to describe the shape of a phosphorus trifluoride (PF₃) molecule?
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
The volume of gas collected in 2 minutes was 5 cm³ What was the average rate of reaction in cm³ min⁻¹ over this time?
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
Limewater can be made by dissolving calcium hydroxide in water. Which of the following terms correctly describes calcium hydroxide?
3+
K⁺ and NO₃⁻
2.5
2+
Trigonal pyramidal
Solute
Na⁺
more hydroxide ions than hydrogen ions
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Match it!
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