Atomic Theory Peeps
Formulas & Constants
Periodic Families
Developing the PT
Sneaky Little Particles
100
In around 800 B.C. this person stated that everything is made of atoms and empty space.
Who is Democritus?
100
In Einstein's famous equation, what is the numerical value of c?
What is 3 x 10 to the 8th power?
100
This is the name of the first family on the periodic table.
What is alkali metals?
100
This person found atomic number and discovered that the number of protons in the nucleus determines the identity of an element.
Who is Moseley?
100
These are the three main particles that make up an atom.
What are protons, neutrons, and electrons?
200
Stated that all matter is composed of indivisible particles and all particles of the same element are identical.
Who is Dalton?
200
Absolute Zero , 0 K, is equal to this value in degrees Celcius.
What is -273?
200
This is the correct spelling and meaning of the name of group VA on the periodic table.
What is p-n-i-c-o-g-e-n and piosonous gas former?
200
This person developed the first periodic table and used atomic mass to order the elements.
Who is Mendeleev?
200
These are the names of the two broad classes of subatomic particles.
What are hadrons and leptons?
300
Disproved the theory that all atoms of a single element are identical by finding isotopes while working with x-rays.
Who is Moseley?
300
This is the formula used in caluclating the wavelenth of a sample of light.
What is c equals lambda nu?
300
This is the group and the family name for the column known as the salt formers.
What is V!! A and Halogens?
300
This is how the Modern Periodic table is arranged.
What is by atomic number?
300
Leptons include electrons and these antiparticles of electrons.
What are positrons?
400
Developed the Law of Conservation of Matter.
Who is Lavoisier?
400
This is the way to convert nanomters to meters.
What is x10 to the negative ninth power?
400
This is the meaning of the term Noble Gas and the column to which it belongs.
What is nonreactive and VIIIA?
400
After Doberiener arranged elements in gourps of three, this scientist noticed properties tended to repeat every wighth element.
Who is Newlands?
400
This is what gluons do.
What is hold quarks together?
500
This scientist discovered protons.
Who is Goldstein?
500
The formula used to find the energy of a photon.
What is E = h nu?
500
Two columns on the periodic table do not have a family name for this reason.
What is they do not have enough properties in common?
500
Mendeleev made a special contribution as he set up his periodic table by atomic mass. This is how he handled blank areas of the table.
What is he predicted that elements would be found to fill in blank spots?
500
When one electron combines with one positron, this is formed.
What is 2 quanta of energy?
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