Periodic Table

What are valence electrons?

• Any of an atom's electrons

• Electrons located on the first energy level

• Electrons not attached to any atom

• electrons located on the outer energy level

What period is Lead (Pb) in?

• 6

• 4

• Metals

• 4A

What group or family is lead in?

• 6

• 4

• Metal

• 4A

What category is silicon (Si) a part of?

• Metal

• Nonmetal

• Metalloid

• Halogens

What Element is in period 4, group 5A?

• Antimony

• Arsenic

• Tin

• Germanium

How many electrons does Barium (Ba) have?

• 13

• 2

• 71

• 56

What is the ionic charge of Phosphorus (P)?

• +5

• -3

• +3

• -5

How many electrons does a Strontium (Sr) ION have?

• 38

• 10

• 8

• 36

What is group name of the most reactive metals?

• Noble gases

• Halogens

• Alkali metals

• Alkaline earth metals

How many valence electrons does a carbon atom have?

• 8

• 4

• 2

• 6