BIOL 1406 Session 1.2 (SP 21)

What is electronegativity and which subatomic particle determines electronegativity?

• The attraction for shared electrons, determined by protons.

• The attraction for shared electrons, determined by electrons.

• The repulsion for shared electrons, determined by protons.

• The repulsion for shared electrons, determined by electrons.

[Check all that apply] What are the two types of covalent bonds?

• Positive

• Polar

• Negative

• Non-polar

If a molecule is a salt what type of bond is occurring?

• Covalent

• Ionic

• Hydrogen

Which of the subatomic particles is directly involved with chemical activity of an atom?

Electrons

• Protons

• Neutrons

• Electrons

• Subatomic particles are not involved with chemical activity.

What makes noble gasses special?

• They have a naturally full valence electron shell.

• They have no valence electrons

• They only have 8 electrons ever.

• They are not special in any way.