Unit 4 Test Review

What are the three main groups of the periodic table?

• groups

• metal

• nonmetals

• metalloids

• periods

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

What do the vertical columns on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (electrons on the outer most shell)

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids

What do the horizontal rows on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (the electrons on the outer most shell)

What is the name of the element? (Periodic table will be needed)

• sodium

• magnesium

• vanadium

Tags

NGSS.HS-PS1-1

What group and period does this element belong in? *

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

Tags

NGSS.HS-PS1-1

How many valence electrons does the element have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

How many valence electrons and energy levels does (Pb) lead have?

• 4 valence electrons and 6 energy levels (orbitals)

• 6 valence electrons and 4 energy levels (orbitals)

• 5 valence electrons and 5 energy levels (orbitals)

• 5 valence electrons and 10 energy levels (orbitals)

Tags

NGSS.HS-PS1-1

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.