Organization of the periodic table.

How many valence electrons does Bromine (Br) have?

• 1

• 2

• 7

• 8

What element is in group 2, period 3?

• Calcium

• Magnesium

• Aluminum

• Boron

Which elements would be nonmetals?

• Na, Mg, Al

• Li, C, F

• N, O, F

• V, Cr, Mn

An element that can conduct electricity would be considered a(n) ____________.

• Ion

• Metal

• Nonmetal

• Noble Gas

Groups are arranged ______

• Vertically with similar valence electrons

• Horizontally with similar valence electrons

• Vertically with different valence electrons

• horizontally with different valence electrons