Identifying Elements
This element has 12 protons
What is Magnesium
Alkaline Earth metals are known to have this many valence electrons?
What is TWO
This greek scholar coined the term "Atomos"
This is the unit for wavelength
What are METERS
This element ends in 2p2
What is Carbon
This element has one valence electron in its fourth energy level
What is Potassium
This is the first metal on the periodic table
What is Lithium
This is the scientist credited with the discovery of the nucleus thanks to his Gold Foil Experiment
Who is Ernest Rutherford
An unknown element has two isotopes. Isotope 1 weighs 54 and is 70% abundant. Isotope 2 weights 56 and is 30% abundant. This is the average mass.
What is 54.6
This orbital comes AFTER 4s
What is 3d
This is the only element whose most stable isotope contains 0 neutrons
What is Hydrogen
This family is known for having a complete octet
What are the Noble Gases
His atomic theory proved Democritus' theory was correct.
Who is John Dalton
This is the frequency of blue light (wavelength = 4.0 x 10-7 m). C=(lambda)(V) c= 3x108 m/s
What is 7.5 x 1014 Hz
This persons rule states that one electron has to be placed in each subshell before being doubled up
What is HUNDs rule.
This element has the symbol Hg
What is Mercury
This is the only metalloid in Period 3
What is Silicon
His oil drop experiment determined the charge of an electron, and no his great grandson does not work at Olympian.
Who is Robert Millikan
This is the Energy of a photon with with a frequency of 8.0 x1014 Hz. h = 6.626x10-34 J/Hz E= hv
What is 5.3 x 10-19 J
This element ends in 4d9
What is SILVER
This is the only element that weighs less than the element before it.
What is Nickel
There are 11 gaseous elements. This is the only gaseous element on the left side of the periodic table
What is Hydrogen
This is the name of JJ Thomsons model of the atom
What is Plum Pudding Model
This is the Energy of a radio signal with a wavelength of 5.5x103 m. E = hv c = (lambda)(v)
c= 3x108 m/s h = 6.626 x 10 -34- J*s
What is 3.6 x 10-29 J
This element has the electron configuration [Xe]6s24f145d106p2
What is lead (or plumbum)