Periodic Table Pretest

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What period is Lead (Pb) in?

• 6

• 4

• Metals

• 4A

What group or family is lead in?

• 6

• 4

• Metal

• 14

What category is silicon (Si) a part of?

• Metal

• Nonmetal

• Metalloid

• Halogens

What Element is in period 4, group 15?

• Antimony

• Arsenic

• Tin

• Germanium

How many electrons does Barium (Ba) have?

• 13

• 2

• 71

• 56

Tags

NGSS.HS-PS1-1

What period contains the element Plutonium (Pu)?

• 8

• 6

• 7

• Plutonium doesn't exist

What group or family is Mercury (Hg) in?

• 12

• 6

• Metals

• Alkali metals

What is group name of the most reactive metals?

• Noble gases

• Halogens

• Alkali metals

• Alkaline earth metals

Why are halogens so reactive?

• They want to get rid of their only valance electron

• They only need one more electron

• They are non reactive, they have a full shell