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Mathematics/ Nomenclature The Periodic Table Chemical Reactions/ Bonding Stoichiometry E. Spectrum/ Kinetic Molecular Theory 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points
How many significant figures does the following value contain? 0.0200
Three
You want to find the mass of an unknown sample You want to find the mass of an unknown sample. You are given the density as 1.2 g/cm3 and the volume as 4.0 mL. What is the mass?
4.8 grams
What distinguishes an acid from other compounds?
Hydrogen is present
What are two polyatomic ions?
Lots of Answers
What is the name for the following compound? N2O3
Dinitrogen Dioxide
What are three of the diatomic elements?
H, O, N, Cl, F, I, Br
What is the electron configuration for Nitrogen?
1s22s22p3
Which element is the least electronegative element?
Francium
What element is the smallest? Rb, Pd, Sn, I
Iodine
What is the oxidation number (charge) that Aluminum will feel when it becomes an ion?
+3
What type of reaction is occuring below? C2H6O2 + O2 H2O + CO2
Combustion
What are the products of the following reaction going to be? Na + Br2
NaBr
What type of bond/force attracts different molecules?
Intermolecular forces (Van der Waals forces)
What is the lewis structure for NH3 What is the lewis structure for NH3? Draw the structure and identify the type of molecular geometry it would have.
Trigonal pyramidal
What is the difference between an ionic and a covalent bond?
Ionic: electrons are given and received Covalent: electrons are shared
How many grams of CaBr2 are in 3.7 moles?
740 grams of CaBr2
2Na + Cl2 2NaCl How many grams of chlorine will it take to make 4.56 moles of sodium chloride?
162 grams
How many lithium atoms are in 1.5 moles of Li2O?
1.8 x 1024 atoms
How many iodine atoms are in 8 grams of Magnesium Iodide?
3 x 1022 atoms
2H2 + O2 2H2O How many grams of water would be produced if 6.185 grams of oxygen were used?
6.964 grams
What is a photon?
A packet of energy that is released when an electron goes from an excited back to a ground state.
How many liters are in 5.0 grams of Chlorine gas?
1.6 liters
How can we change a liquid to a gas?
Heat it, or decrease pressure
What are the five states of matter?
Bose-Einstein Condensate Solid Liquid Gas Plasma
What is producing the color that we see when we do flame tests?
Photons being released because of excited electrons going to ground state.
Final Jeopardy Make your wager
What game did Hardy like to play with Punnett?
Cricket