@X@user.full_name@X@ @GMU: Draw the lewis dot structure of SF4. How many lone-pairs of electrons (first) and bonding pairs of electrons exist on the molecule SF4?

@X@user.full_name@X@ @GMU: Which element below will never break the octet rule by having an expanded valence shell?

@X@user.full_name@X@ @GMU: A gas mixture contained 55.30% by weight N2 and 44.70% SO2. What was the mole fraction of N2?

@X@user.full_name@X@ @GMU: A gas mixture contained 25.08% by weight Ar and 74.92% O2. What was the mole fraction of Ar?

@X@user.full_name@X@ @GMU: A flexible container was filled with CH4 gas at a pressure of 1.988 atm and volume of 16.538 L. What volume would this same gas occupy if the pressure increased to 3.310 atm? Assume temperature is constant.

@X@user.full_name@X@ @GMU: Which set of four quantum numbers for an electron is allowed?

Match the bacteria shape with the image.

The _______ cycle, a virus lyses the infected host cell.

A bacteria’s genetic material can include

All of the following are examples of Eukaryotic Supergroups except?