A Lewis Dot structure with placeholder elements is shown. Given that the formal charge on the central atom is zero, which of the following are its possible identities? 

A and B react according to the following equation: 2A + B ⟶ 3C.  In which of the following scenarios is A the limiting reagent? 

Suppose you have two balloons, each containing the same number of ideal gas particles at the same pressure and temperature. One balloon contains F2 gas and the other contains Cl2 gas.  Match each of the following properties with the balloon best described by it.   

Which of the following chemical equations is NOT balanced?

What is the importance of the nurse practicing the “5-plus-5 rights” of drug administration?

BASIC CONCEPTS Which type of drug must always be swallowed without chewing?

A nurse is ordered to administer a medication via the sublingual route. The nurse correctly places the medication:

Which medication route provides the most rapid onset of a medication, but also poses the greatest risk of adverse effects?

A client receives morphine sulfate and demonstrates signs of respiratory depression. The physician orders naloxone (Narcan) to block the effects of the narcotic. When two drugs given concurrently have opposite effects, what kind of pharmacodynamic interactions occur?

A client is taking tetracycline for acne. It is a drug known to cause photosensitivity. To avoid phototoxicity, the nurse provides client teaching. Which statement by the client indicates a need for more teaching?