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What is the name of Na2SO3?

How many protons and electrons are in an atom of arsenic (As)?  Protons = [p] Electrons = [e]

Determine if the following statements are true of false.  There are more molecules in 2 moles of hydrogen gas than 2 moles of oxygen gas [1] 7 g of water (H2O) has the same number of molecules as 7 g of hydrogen dioxide (H2O2) [2] There are more oxygen atoms in 1.5 moles of carbon dioxide than in 1.5 moles of carbon monoxide [3] 

Name the following compounds:  BaO [1] NaBr [2] PbBr2 [3]

Name the following compounds:  FeI2 [1] CaS [2] KBr [3]

In the fantasy land Aquanova the currency conversion units are provide in the pervious question, using this information determine how many stones would be needed to by a cloak worth 1.54 gold coins?   

How would you correctly write 19,000 in scientific notation?

Determine if the following elements are metals or non-metals.  Mercury (Hg)[1] Hydrogen [2] Gold [3] Helium[4] Carbon  [5]

Which of the following statement is/are correct?  The temperature in which ethanol boils is a physical property. The temperature in which ice melts is a chemical property. Methane reacting with oxygen is a chemical property.

Name the following compounds. N2F4 [1] C2H6  [2] SO3 [3]