4b Transition Metals

4b Transition Metals
Name	Symbol	Atomic number	Atomic weight	Boiling point	Melting Point	Density
Scandium	Sc	21	44.96	2836 C	1541 C	3.0 g/cm3
Yttrium	Y	39	88.91	3338 C	1522 C	4.50 g/cm3
Lanthanum	La	57	138.9	3464 C	918 C	6.15 g/cm3
Actinum	Ac	89	227.0	3200 C	1051 C	10.07 g/cm3

notes: Lanthanum begins the Lanthanide Series.
Actinium begins the Actinide Series.

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