7) Element Families on the Periodic Table have similar . There are Families. 8) Alkali Metals are good conductors of and .

9) There are a total of elements that are grouped as Transition Metals.

10) As opposed to metals, non-metals can be very . They have no metallic

and do not reflect .

11) All Lanthanide Series elements occur naturally except for .

12) All Actinide Series elements are and most are