Covalent Bonds

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

A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?

• 1
  1
• 3
• 4
• 6

Compared to ionic compounds, molecular compounds generally have...

• good conductivity
• greater densities
• more chemical bonds
• a low boiling point

Tags

NGSS.HS-PS1-3

Compared to ionic compounds, molecular compounds generally have...

• stronger chemical bonds
• poor conductivity
• a high melting point
• lower densities

Tags

NGSS.HS-PS1-1

NGSS.HS-PS2-6

The chemical bond formed when two atoms share electrons  is called a(an) IONIC bond. 

• True
• False

Covalent bonds usually form when a nonmetal combines with a(an) METAL.

• True
• False

A(n) ION is a neutral group of atoms joined by covalent bonds.

• True
• False

If a molecule contains polar bonds, the molecule MAY OR MAY NOT be polar overall. 

• True 
• False

In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom. 

• True
• False

The forces between molecules are much STRONGER than the forces between ions. 

• True
• False

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4