Atomic Theory
He was the Greek philosopher to coin the term "atom" which means uncuttable.
Who is Democritus?
This is the smallest subatomic particle and has a negative charge.
What is the electron?
This is the group known as the halogens.
What is Group 17?
It is the larger atom:
lithium or beryllium.
What is lithium?
The element with the chemical symbol:
Be
It is the shapes of the s and p orbitals.
What are spherical and peanut?
He used a cathode-ray tube to discover the negatively charged particle that would come to be named the electron.
Who is J.J. Thomson?
What is the proton?
This is a group of soft, very reactive metals.
What are the alkali metals (Group 1)?
It is the atom with the lowest electronegativity:
aluminum or thallium.
What is thallium?
The chemical symbol for fluorine.
What is F?
The main energy level corresponds to this on the periodic table.
What are the periods?
This is the famous experiment Ernest Rutherford used to discover the positively charged center of the atom he called the nucleus.
What is the Gold-Foil Experiment?
This subatomic particle has no charge.
What is a neutron?
Of Magnesium, Manganese, Molybdenum, and Meitnerium, it is the one that does not belong.
What is magnesium?
It is the element with the greatest ionization energy:
nickel or copper
What is copper?
The element with the chemical symbol:
Pb
What is lead?
It is the electron configuration for magnesium.
What is 1s2 2s2 2p6 3s2?
This scientist used the scientific method to support his atomic theory but still believed the atom was indivisible.
Who is John Dalton?
This makes up the bulk of the volume of all atoms.
What is empty space?
Elements on the periodic table are arranged this way.
What is by increasing atomic number (number of protons)?
It is these three elements arranged by increasing electronegativity:
oxygen, nitrogen, fluorine
What are nitrogen, oxygen, and fluorine?
The chemical symbol for potassium.
What is K?
[Ne] 3s2 3p3.
What is phosphorus (P)?
The principle that suggests that one cannot know both the location and the velocity of an electron at the same time.
What is the Heisenberg Uncertainty Princple?
This is the atomic mass of an atom with 50 protons, 50 electrons, and 69 neutrons.
What is 119 amu?
What is carbon-14?
It is these elements arranged by decreasing atomic radius:
Arsenic, Tungsten, Palladium, and Neon
What are tungsten, palladium, arsenic, and neon?
The element with the chemical symbol:
Ts
What is Tennessine?
It is the noble gas configuration for polonium (Po).
What is [Xe] 6s2 4f14 5d10 6p4?