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Select the molecular orbital (MO) electron diagram for the O 2 molecular ion. Be sure your diagram contains all of the electrons in the ion, including any core electrons.

Which of the following lists of elements is correctly ordered in terms of decreasing electronegativity?

Decide which intermolecular forces act between the molecules of each compound in the table below. (Yes or No) dispersion dipole hydrogen bonding water [BLANK-1] [BLANK-2] [BLANK-3] CH2Cl2 [BLANK-4] [BLANK-5] [BLANK-6]

Match the force holding the solid together.

Complete the table below by filling in the principal quantum number n and angular momentum quantum number l for each electron subshell listed. subshell principal quantum number n angular momentum quantum number l 4p [BLANK-1] [BLANK-2] 2s [BLANK-3] [BLANK-4]

A small part of a crystal lattice is sketched below. The unit cell is outlined in red. crystal.jpg How many atoms of each type are in the unit cell?

A 10.00 L tank at 25.0°C is filled with 18.0 g of nitrogen trifluoride gas and 14.0 g of xenon tetrafluoride gas. You can assume both gases behave as ideal gases under these conditions. What is the partial pressure (atm) of xenon tetrafluoride?

How many of the following molecules contain polar bonds? CCl4 CO2 HCl O2

Which of the following elements have a neutral atom with an outer electron configuration of m s 2 n d 10 ms^2 nd^{10} , where n and m are integers, and m=n+1?

How many valence electrons are in Cl-?