Questions:
Chemistry Solutions
1) An FM station broadcasts at 106.9 MHz, calculate the wavelength of the corresponding radio waves.
2) What is the amount of energy packaged in a photon with a wavelength of 310 nm ?
3) Calculate the frequency of EM radiation with a wavelength of 1.2 x 10-7 m
4) Write the full electronic configuration for
Sr
He
Zn
Br
5) For each of the following elements indicate which set of orbitals is being filled last (# of sublevel & s,p,d,f)
W
Fe
Na
6) How many valence electrons are in:
Mg C Br Cs
7) How many electrons can fit in a "d" subshell ?
8) How many orientations are there for "f" subshells ?
9) In each of the following sets of elements indicate which element has the largest atomic size
Li, Rb, Cs B, Ga, Tl F, Cl, I
10) Which element in each set has the lowest ionization energy ( 6pts)
Li, K, Cs
Li, C, F
F, Cl, I
11) Write the valence configuration only for Al
12) Which "block" are following elements in - s,p,d,f
Te Cs
Nd Mo
Au Br
13) Which element has the highest electronegativity?
Ga Br As