Molecular Geometry and polarity

Front

What is the shape of a molecule with four bonded pairs and no lone pairs?

Back

Tetrahedral

Front

In covalent bonds, how are electrons treated?

Back

Electrons are shared.

Front

What type of molecule is symmetrical and has no net dipole moment?

Back

Nonpolar molecule.

Front

Which of the following has ionic bonds: MgCl2, CH4, O2, PCl3?

Back

MgCl2 has ionic bonds.

Front

What is the polarity of a bond between lithium and oxygen?

Back

Ionic.

Front

What is the shape of a molecule with three bonded pairs and one lone pair?

Back

Trigonal pyramidal.

Front

What is the shape of a molecule with two bonded pairs and two lone pairs?

Back

Bent.

Front

What type of bond involves the complete transfer of electrons?

Back

Ionic bond.

Front

What is the difference between polar and nonpolar molecules?

Back

Polar molecules have a net dipole moment; nonpolar molecules do not.

Front

What determines the polarity of a molecule?

Back

The difference in electronegativity between atoms and the molecule's shape.