Which of the following statements are True or False  The C-H bond is a polar covalent bond [1] The Cl-Cl bond is a non-polar covalent bond [2] The H-Br bond is a polar covalent bond [3]

Given A has 5 valence electrons and Z has 7 valence electrons, which is the molecular shape/geometry of AZ3? 

Given A has 5 valence electrons and X has 7 valence electrons, which is the molecular shape/geometry of AX3?   

Determine if the following compounds are named correctly  The correct name for NaNO3 is sodium nitrate [1] The correct name for PbCl2 is lead chloride [2] The correct name for P4O10 is phosphorous decaoxide [3]

Determine if the following compounds are named correctly The correct name for NaNO3 is sodium nitrate [1] The correct name for PbBr2 is lead bromide [2] The correct name for P4O6 is phosphorous hexaoxide [3]

Which of the following statements is/are correct regarding a mole of methane gas and a mole of oxygen gas?  A mole of oxygen gas contains the same number of molecules as a mole of methane gas   A mole of methane gas weighs more than a mole of oxygen gas  A mole of oxygen gas contains more atoms compared to a mole of methane gas  

Is the molecule shown below polar or non-polar and why? Element Y is more electronegative than Element Q. 

Determine if the following molecules are polar or non-polar SeO2 is [1] BrCl5 is [2] CH2Cl2 is [3]

What is the empirical formula for a hypothetical compound X9Y12Z6 ? 

When a person receives an organ transplant, they will also typically take drugs that suppress their immune system so it doesn’t attack the new organ. Which of the following best explains why an organ recipient’s immune system will attack a donated organ?