Atomic Theory
Nuclide Notation
Lewis Dot Structures
The Periodic Table
Chemical Bonding
100
A man from Athens, Greece who is credited with proposing that matter is made of atoms.
Who would be Democritus
100
An isotope of an atom has the following notation:
The atomic number of this isotope is:
What is 12
100
The total number of valence electrons present in the Lewis Dot Structure shown above is: ____
What would be 8.
100
The elements in the family including the element Rubidium are known as the....
What is the alkali metals
100
The type of bond that forms between two atoms of the same element, e.g., H2, is an example of a ____ bond.
What would be covalent.
200
He proposed that all matter was composed of atoms, indivisible and indestructible building blocks.
Who was John Dalton
200
An isotope of Mercury has an atomic mass of 201 and a 2+ charge. How many protons are in the nucleus of this ion?
What would be 80.
200
Pat and Gianna are debating the correct Lewis Dot Structure for the polyatomic ion, carbonate.
What would be....
200
The elements in column VIIIA are known at the:
What would be the noble gasses or inert gasses.
200
Jason, ever curious about the nuances of the bonding in water, asks Pat if the bonds in a water molecule are covalent, polar covalent or ionic. Pat correctly responds, "Why Jason, the bonds are _____."
What would be polar covalent.
300
He is credited with the discovery of the electron
Who was J.J. Thomson
300
Ajay and Nate are discussing the properties of Hydrogen. Ajay notes that there are three common isotopes of Hydrogen, tritium, deuterium and normal Hydrogen. Nate asks Ajay how many neutrons are in a deuterium atom. Ajay replies, "there are ___ neutrons in the nucleus of a deuterium atom."
What would be one.
300
Digging in deep to the intricacies of polyatomic ions, Tanisha explores the Lewis Dot structure of the cyanide ion. She determines that this ion has ___ triple bond(s).
What would be one.
300
Nick, curious about the periodic trend of atomic radius asks Gianna if an atom of Chlorine is larger than an atom of Sodium. Gianna correctly answers...
Wnat would be no...
300
Stephanie and Phoebe are studying for the Chem midterm exam. Phoebe is stuck on a question asking if the bonds in KCl are ionic, covalent or polar covalent. Stephanie consults her handy table of electronegativity and replies, "Well Phoebe, the bonds are...."
What would be ionic.
400
His lab students conducted the "gold foil" experiment.
Who was Ernst Rutherford.
400
Toby challenges Mr. Bean's Chem classes to draw the Lewis Dot structure for Carbon tetrachloride. The correct LDS is:
What is...
400
Dr. Moore, seeking direction in developing a new mechanism for the synthesis of a new pharmaceutical product. He asks your Chem class to identify which of the following elements is the MOST electronegative element.
Na, C, Mg, N, O
You correctly reply..."Why ___ of course!
What would be Oxygen.
400
Digging in deep on the topic of polyatomic ions, Sam explores the structural details of the nitrate polyatomic ion. He determines that the bonds between nitrogen and oxygen in this ion are.....
What would be covalent.
500
He believe you could determine either the velocity OR the position of an electron, bot not both.
Who was Werner Heisenberg.
500
Mr. D is doing an experiment with radioactive Uranium, often referred to as "U 238". Suddenly, he realizes it is an unstable isotope or Uranium that contains ___ neutrons in one atom of U 238. Fortunately, Mr. D contained the unstable U 238 and disaster was averted in the Pritzker labs.
What would be 146 neutrons.
500
It's the night before the Chem midterm! Garvin is working on the Lewis Dot structure for the molecule Nitrogen triiodide. His able assistant, Nate, summons the "Eight Ball", rendering the correct structure. The correct LDS is:
What is
500
Based on the periodic trends of ionization energy, atomic radius and electronegativity, which of the following elements is the MOST reactive element?
Fr, Fe, P, Cl, Ne
What would be Fr.
500
Perplexed by the complexities of the phosphate polyatomic ion, Ajay determines that the bond between the phosphorous atom and the oxygen atoms are best characterized as...
What would be polar covalent.