Lewis Structure and VSEPR Quiz (4/18)

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A covalent bond is

• a bond that shares electrons metallicaly
• A bond that shares electrons with non metals
• Metalloids bonding
• metals and nonmetals bonding

Tags

NGSS.MS-PS1-1

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond

Tags

NGSS.MS-PS1-1

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

How many electrons can be used in the Lewis Structure for NO₃^- (polyatomic anion with -1 charge)?

• 23

• 20

• 18

• 24

What is the correct structure for BF₃?

• Option A.
• Option B. 
• Option C.
• Option D.

Tags

NGSS.MS-PS1-1

Determine the type of bond in an oxygen molecule (O₂). HINT: Use (IE - AE)/2 = # of bonds.

• Double covalent
• Single covalent
• Ionic
• Triple covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If electrons are shared unequally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

If electrons are shared equally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent