Chemistry Exam 3

Which electromagnetic type has the highest frequency?

• Gamma rays

• Visible light

• Microwaves

• Radio

Which element has 6 valence electrons?

• H

• Cu

• N

• O

What is the maximum number of electrons that can occupy the p orbitals?

• 4

• 6

• 10

• 14

What is the electron configuration of S?

• 1s2 2s2 2p6 3s2 4p2

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3d4

Which noble gas would be used for notation for Nb

• Ne

• Ar

• Kr

• Xe

Describe the shape of a s orbital.

• spherical

• dumbbell shaped

• four lobes

• eight lobes

Predict the charge that an ion formed from Be would have.

• 2-

• 1-

• 3+

• 2+

• 3-

Place the following in order of increasing radius

Ga Si F

• Ga<Si<F

• F<Ga<Si

• F<Si<Ga

• Si<Ga<F

Which of the following molecules is nonpolar?

• CH3CH2CH2CH3

• COS

• H2O

• CH3Cl

The strongest intermolecular interactions between HNO3 molecules arise from

• Covalent

• Dipole-Dipole

• London

• H-Bond