IMFs, Polarity & Molecular Geometry Practice (H)

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

How strongly an atom attracts electrons is called....................

• Ionization energy
• Electronegativity
• Electricity
• Nuclear force

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

Tags

NGSS.HS-PS1-1

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A
• structure B
• structure C
• structure D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of the molecular geometry for this Lewis Structure?

• trigonal planar
• trigonal pyramidal
• tetrahedral
• bent

What 3-d VSEPR shape does this Lewis Structure form?

• linear

• bent

• tetrahedral

• trigonal planar

Tags

NGSS.HS-PS1-2

Is this molecule polar or nonpolar?

• polar

• nonpolar

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

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1