(Chem) W13b Unit 4 Exam Chemical Bonding

Mendeleev ordered his periodic table according to ______ behavior.

• chemical
• physical
• material
• neutron

_____ metals can have different amounts of valence electrons depending on how they bond.

• Transition
• Stable
• Alkali
• Earth

What is a diagram that shows only the valence electrons around the atom as dots?

• Lewis Dots
• Thomson Dots
• Bohr Dots
• Proton Dots

What is the only group that contains valence electron levels that are naturally full?

• Noble Gases
• Alkali Metals
• Halogens
• Transition Metals

The Octet rule states atoms will undergo chemical bonding until they reach a full and stable outer shell of ___ electrons.

• 8.0
• 18.0
• 6.0
• 10.0

____ are formed when an atom loses or gains electrons

• Ions
• Salts
• Series
• Families

Cations are formed when an atom loses electrons and becomes ____.

• positive
• negative
• neutral
• mostly negative

Group 1 atoms form what type of Ions?

• positive 1
• positive 2
• negative 1
• neutral

Group 15 atoms gain 3 electrons to form what kind of ions?

• 3- anions
• 3+ cations
• 3- cations
• 5+ anions

All members of group ___ gain 1 electron to form 1- ions.

• 17.0
• 18.0
• 7.0
• 8.0