What is the bond order for the electron configuration shown below?

What is the oxidation state of the underlined atom in the compound: CO2?

What is the density of something with a mass of 28.7 g and occupies 83.7 mL of space

The number of neutrons tells you the                          of an atom.

Use the solubility rules to determine if K2SO4 is soluble or insoluble.

What is the bond order for the diatomic molecule’s molecular orbital diagram shown below?

Rewrite 4.184 x 102 without using scientific notation.

What is the formula mass for one mole of sodium nitrate? (answer with 4 sig figs and do not include units, they are implied)

EXTRA CREDIT: +4 points possible   A titration is performed using sodium hydroxide, NaOH, at a concentration of 0.1211 M to determine the concentration of a hydrochloric acid solution of unknown concentration. A volume of 10.00 mL of the hydrochloric acid solution is used in each trial. Using the balance chemical reaction and data table below, determine the concentration of the hydrochloric acid solution. HCl(aq) + NaOH(aq) –> NaCl(aq) + H2O(l) Concentration of NaOH 0.1211 M Volume of HCl used 10.00 mL Initial buret reading of NaOH 0.35 mL Final buret reading of NaOH 14.20 mL

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