Give shapes of the following : `NH_4+`

Give shapes of the following : H_3 O+

Give IUPAC names of the following compounds [Ag(NH_(3))_(2)]^(+),[Cu(NH_(3))_(4)]^(+),[Cr(H_(2)O)_(4)Cl_(2)], K_(2)[PtCl_(6)],[Fe(CN)_(6)]^(4-),[Co("en")_(2)Cl_(2)]SO_(4), [Cr(NH_(3))_(3)Cl_(3)](H_(2)O)_2,Na_(3)[Co(NO_(2))_(6)] , [Co("en")_(2)Cl(NO_(2))]^(+),[Pt(NH_(3))Cl_(5)]^(-)

Give the IUPAC name of the following compounds (CH_(3))_(3)C.NH_(2)

Give the IUPAC name of the following compounds CH_(3)CH_(2)CH_(2)NH_(2)

Give the IUPAC name of the following compounds CH_(3)CH_(2)CH(NH_(2))CH_(2)CH_(3)

Write the names of the following compounds : Mg(NH_4)PO_4

Give the shape of XeOF_4