REVIEW FOR ATOMIC STRUCTURE EXAM
1.) State the charge for each of the following subatomic particles:
a. Proton: ___________________
b. Electron: __________________
c. Neutron: __________________
2.) Where are the electrons located on the atom?
3.) What happens when an electron in an atom returns from a higher energy state to a lower
energy state?
4.) Fill in the information for the following elements:
Element
Atomic # Protons
Electrons
Carbon
Chlorine
Silicon
Neutrons
5.) When working on electron configuration what is the max number of electrons that each
of the following blocks can hold:
s-block: __________________
p-block: ___________________
d- block: _________________
f-block: ___________________
6.) A bromine atom in an excited state could have an electron configuration of
a.) Ar 3d10 4s1 4p5
b.) Ar 3d9 4s2 4p5
c.) Ar 3d10 4s2 4p5
d.) Ar 3d9 4s2 4p6
7.) Which scientist discovered the following subatomic particles, and what experiment led to
these discoveries?
a.) Nucleus
b.) Electron
8.) To find the average atomic mass of an isotope, you must do the following:
(exact weight of isotope #1) (abundance of isotope #1) + (exact weight of isotope #2)
(abundance of isotope #2) = average atomic weight of the element.
Isotope Atomic Weight
Percent
Abundance
Fe-54
53.9396
5.845
Fe-56
55.9349
91.754
Question: Which numerical setup can be used to determine the atomic mass of Iron?
9.) a.) What particles are found in the nucleus of an atom?
b.) What charge does the nucleus of an atom have?
10.)
As energy of a photon increases, the frequency _______________________ and
wavelength ___________________________.
11.)
A photon is emitted from an atom with an energy of 3.15 x 10-19 J. What is the
wavelength of the photon using correct significant figures? (speed of light = 3.00 x 10 8
m/s and Planck’s constant = 6.626 x 10 -34 J)
12.)
Given element Neon, Draw the Bhor model, provide the electron configuration
and orbital notation, and Lewis Diagram.
13.)
What is the noble gas configuration of Boron?
14.)
Write down a summary of the gold foil experiment. Provide enough detail to
explain who carried out the gold foil experiment, what it consisted of, what was found,
and how it was found?