OChem Resonance & Formal Charge

How many resonance structure can you draw for benzene?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-2

How many resonance structures for NO₃^- ion?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-2

A condition that occurs when more than one valid Lewis structure can be drawn for a molecule

• coordinate covalent bond
• resonance
• endothermic
• structural formula

Choose the electron dot diagram that correctly shows the bonding in methane CH_4.

• A

• B

• C

• D

Tags

NGSS.HS-PS1-2

Are A and B resonance structures of each other?

• Yes

• No

• Cannot be determined from the information given

Tags

NGSS.HS-PS1-2

Resonance structures differ by __________.

• number and placement of electrons

• number of electrons only

• placement of atoms only

• number of atoms only

• placement of electrons only

As the number of covalent bonds between two atoms increases, the distance between the atoms ______ and the strength of the bond between them ______.

• increases, increases

• decreases, decreases

• increases, decreases

• decreases, increases

• is unpredictable

The ability of an atom in a molecule to attract electrons is best quantified by the ______.

• electronegativity

• paramagnetism

• diamagnetism

• electron change-to-mass ratio

• first ionization energy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The formal charge on carbon in the molecule shown is _______.

• 0

• +1

• +2

• +3

• -1

Tags

NGSS.HS-PS1-2

In the resonance form of ozone shown, the formal charge on the central oxygen atom is _______.

• 0

• +1

• -1

• +2

• -2

Tags

NGSS.HS-PS1-2