| Question | Answer |
| 1.A covalent bond in which there is an unequal attraction for the shared electrons is ________? | polar
|
2.Using the electronegativity scale; this element is the only 0.37 on the periodic table? | cesium
| 3.Alloys are used in industry and are composed of two or more elements. We discussed in class that the statue of liberty is made up of which one of these alloys that gives her the green complexion? | Bronze
| 4.Ammonia NH3 is used in many cleaning products and has a strong formal charge of? | 2+
| 5.Assign the oxidation number to the element specified in each of the following: hydrogen in MgH2? | 1-
| 6.What is the correct name for the compound SO3 2-? | Sulfite
| 7.What is the total number of electrons present in an O-2 ion? | 8
| 8.In this equation below what is the variable "c" represent? c = λν? | Speed of light
| 9.In order to understand orbital notation you must know something about the periodic table. In group 2 what is the classification of all the elements in the group? | Alkali Earth
| 10. The _________________ states that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle? | Heisenberg
| 11. The electron configuration of an atom is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^3. What element is found at this ground state? | Vandium
| 12.What is the total number of electrons in the fourth principal energy level of a Paladium atom? | 46
| 13.Created the wave equation that we use today to determine where an electron is to be located _______? | Louis De Broglie
| 14. Which color of visible light caries the lowest energy level in nanometers for it's wavelength? | red
| 15.The correct formula for ammonium phosphate is? | (NH4)3PO4.
| 16.Solve; Find the percent error in a measurement of the boiling point of bromine from the royal society of chemistry is 59.35°C and the boiling point in the laboratory figure is 40.6°C? | 31.6%
| 17.In an experiment we hypothesize using two opposite hypothesis to prove our experimental design. Those are the HO and H1 or ___________, and _____________ hypothesis? | null, alternate
| 18.Place the following measurement into Scientific Notation.196,800,000? | 1.97x10^8
| 20. For the element listed below select the proper representation; Tungsten? | W
| 21.In Crash Course Fundamental Laws; The Law of Conservation of Mass was named ____________ Law due to it's founder? | Lavoisier
| 22.Solve; The mass of a sample was found to be 156.09 g, the sample was then immersed a graduated cylinder that began at 25.0 ml and ended 65.2 ml. What is the density? | 3.88g/ml
| 23. Robert Millikan determined the magnitude of a _______ and calculated its mass; 9.11 x 10-31 kg? | Electron
| 24.Forensic Chemistry is used in order to determine data about crime scenes. What major branch of chemistry does it derive from? | Analytical
| 25. What holds the protons and neutrons together in the nucleus? | Nuclear forces
| 26.Solve; How many pounds are in 358.2 grams? (________g = 1 kg), (2.2 lbs = 1 kg? | 0.7880 lbs
| 27.An experimental measurement was taken of 10.4 ml and was compared to the 9.7 ml found in the reference guide at the university. What is the percent error? | 7.2%
| 28.Calculate the molar mass of Cu(NO3)2 | varies
| 29.Convert each of the following using the factor-label method:2.55 x 1012 atoms of Chromium to grams? | varies
| 30.Convert each of the following using the factor-label method:1.75 x 10-6 mol of Hg to atoms? | varies
| 31.Rank the following elements by increasing atomic radius:carbon, aluminum, oxygen, potassium? | varies
| 32.Find the formula mass of potassium chlorate, KClO3? | 122.55 amu
| 33.What is the mass in grams of 1.50 mol of oxygen gas? | 48.0 g
| 34.Find the percentage composition of strontium sulfide? | varies
| 35.Quantitative analysis shows that a compound contains 32.38% sodium, 22.65% sulfur, and 44.99% oxygen. Find the empirical formula of this compound? | Na2SO4 |
