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

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.