How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Tags

NGSS.HS-PS1-2

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

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

Which is the correct structure for ammonia?
(Top picture is A, bottom picture is D.)

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In an electron dot diagram, two pairs of shared electrons represents a ...

• single bond
• double bond
• triple bond
• quadruple bond

Tags

NGSS.HS-PS1-4

Determine the molecular geometry of the given structure.

• Trigonal Pyramidal

• Trigonal Bipyramidal

• Trigonal Planar

• Tetrahedral

Choose the correct shape for this molecule:

• linear
• Trigonal pyramidal
• Bent
• Tetrahedral

Choose the correct shape for this molecule:

• Bent
• Linear
• Tetrahedral
• Trigonal pyramidal

Choose the correct shape for this molecule:

• Trigonal planar
• Trigonal pyramidal
• Bent
• Linear

A molecule is polar when

• it is asymmetrical with at least one polar bond

• it is symmetrical

• it is asymmetrical

• it is symmetrical with at least one polar bond

Which of the following would experience dipole-dipole forces of attraction between molecules?

• 
• 
• 
•