What is the geometry of ICl4–  according to VSEPR theory?

Formamide has the structure HC(O)NH2.  Which atoms in formamide have a trigonal planar geometry?

In a hydrogen atom, which transition requires the greatest input of energy?

The molecular geometry of SH4 is

If you understand and accept the honesty statement, type CHE1200 in the space provided.

The best definition of isoelectronic elements is

How much energy is required to excite a hydrogen atom’s electron from n=2 to n=5? Enter your answer with 2 significant figures.

Write the predicted electron configuration (short version using the noblegas core) for the following atoms  Pt Leave 1 space between each term. For example Nitrogen would be entered: 2s2 2p3

Calculate the de Broglie wavelength of an electron with a velocity of 5.0 x 10 -3 times the speed of light (3.0 x 10 8 ms).

A sodium vapor lamp emits light with an average wavelength of 589.3 nm. Calculate the energy of a mole of photon of the light in j/mol