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What does amphoteric mean
Can react with both acids and bases
What is happening with the (aq) transition element ions are mixed with NaOH or NH3
Water ligands are deprotonated in an acid base reaction
What colour are chromium (III) ions
Green or violet
What is formed when chromium ions react with NaOH
Chromium hydroxide and water
What is formed when chromium ions react with NH3
Chromium hydroxide and ammonium ions
How do you write chromium hydroxide
[Cr(OH)3(H2O)3] (s)
What colour is chromium hydroxide
Dark green or grey-green