钪(3d¹4s²)

Sc₂O₃

Sc₂O₃ + 6HCl + 9H₂O

2[ScCl₃·6H₂O]

Sc₂O₃ + 3H₂SO₄(浓)

Sc₂(SO₄)₃↓(白色) + 3H₂O

Sc₂O₃ + 6HNO₃

2Sc(NO₃)₃ + 3H₂O

Sc₂O₃ + 2H₃BO₃(过量)

2ScBO₃ + 3H₂O

2Sc₂O₃ + 3CCl₄

4ScCl₃ + 3CO₂↑

Sc(OH)₃

2Sc(OH)₃

Sc₂O₃ + 3H₂O

2Sc(OH)₃ + 6HBr + 6H₂O

2[ScBr₃·6H₂O]

2Sc(OH)₃ + 3H₂SO₄

Sc₂(SO₄)₃·6H₂O

Sc(OH)₃ + 3HNO₃ + H₂O

Sc(O₃)₂·4H₂O

ScCl₃

2ScCl₃ + 3H₂O

ScCl₃·Sc(OH)₃ + 3HCl

ScCl₃ + 3KOH

Sc(OH)₃↓(白色) + 3KCl

2ScCl₃ + 6NaOH

Sc₂O₃·3H₂O↓(白色) + 6NaCl

ScCl₃ + 3HF

ScF₃↓+ 3HCl(沉淀不溶于稀HCl，可溶于过量的碱金属氟化物中)

2ScCl₃ + 3H₂C₂O₄

Sc₂(C₂O₄)₃↓+ 6HCl

2ScCl₃ + 3(NH₄)₂S + 6H₂O

2Sc(OH)₃↓(白色) + 6NH₄Cl + 3H₂S

2ScCl₃ + 4(NH₄)₂SO₄(过量)

Sc₂(SO₄)₃·(NH₄)₂SO₄ + 6NH₄Cl

2ScCl₃ + 3Na₂S₂O₃

Sc₂(S₂O₃)₃↓+ 6NaCl

ScCl₃ + Na₂HPO₄

ScPO₄↓+ 2NaCl + HCl

2ScCl₃ + 3Na₂HPO₄

Sc₂(HPO₄)₃↓+ 6NaCl

2ScCl₃ + 3Na₂CO₃

Sc₂(CO₃)₃(白色)↓+ 6NaCl

Sc₂(SO₄)₃

2Sc₂(SO₄)₃

2Sc₂O₃ + 6SO₂↑

Sc₂(SO₄)₃ + 6H₂O

Sc₂(SO₄)₃·6H₂O

Sc₂(SO₄)₃ + 3H₂SO₄

2ScH₃(SO₄)₃↓

Sc₂(SO₄)₃ + 3K₂SO₄

2ScK₃(SO₄)₃

Sc(NO₃)₃

4Sc(NO₃)₃

2Sc₂O₃ + 12NO₂↑+ 3O₂↑

Sc(NO₃)₃·4H₂O

Sc(NO₃)₃ + 4H₂O

Sc(NO₃)₃ + H₂O

ScOH(NO₃)₂ + HNO₃

2ScOH(NO₃)₂

Sc₂O(NO₃)₄ + H₂O

2Sc(NO₃)₃ + 3H₂SO₄

Sc₂(SO₄)₃ + 6HNO₃

2Sc(NO₃)₃ + 3Na₂CO₃ + 12H₂O

Sc₂(CO₃)₃·12H₂O + 6NaNO₃

Sc₂(C₂O₄)₃

Sc₂(C₂O₄)₃

Sc₂O₃ + 3CO₂ + 3CO

Sc₂(SiF₆)₃

Sc₂(SiF₆)₃ + 24NaOH

2Sc(OH)₃ + 3Na₂SiO₃ + 18NaF + 9H₂O

钇(4d¹5s²)

YCl₃

YCl₃ + 3NH₄OH

Y(OH)₃↓(白色) + 3NH₄Cl

YCl₃ + 3NaOH

Y(OH)₃↓+ 3NaCl(沉淀不溶于过量的NaOH)

YCl₃ + 3HF

YF₃↓+ 3HCl

2YCl₃ + 3H₂C₂O₄

Y₂(C₂O₄)₃↓(白色) + 6HCl(沉淀不溶于过量的H₂C₂O₄)