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nh4cl ionic or covalent
nh4cl ionic or covalent bond
nh4 covalent or ionic
nh4+ ionic or covalent
nh4cl ionic or molecular
nh4 2o ionic or covalent
nh4cl ionic or molecular solid
nh4oh ionic or covalent
how is nh4cl ionic
is nh4cl a ionic compound
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