What are the Z and A values for an atom of krypton that contains 46 neutrons?

How many kilograms of calcium are there in 173 lb of calcium? (1 lb = 454 g)

Which of the following is true of ice when it melts to form liquid water?

Methane and oxygen react to form carbon dioxide and water. What is the mass of water formed if 3.2 g of methane reacts with 12.8 g of oxygen to produce 8.8 g of carbon dioxide?

Determine the correct number of protons and electrons in F−.

Determine the volume in liters of a 1.00-ounce bottle.(1.06 qt = 1 L; 32 ounces = 1 qt)

Interpret the rhythm strip above. This is an EKG strip from a patient who is lying in bed with a fever of 103 degrees Fahrenheit.   Choose from the following:

Which of these groups is incorrectly matched with its group/family name?   Group Name I. 2A Alkaline earth metals II. 3A Alkali metals III. 7A Halogens IV. 8A Noble gases V. 2B–3B Transition metals

Which of these is the correct scientific notation for 6,000,220?

Which cardiac arrhythmia(s) is(are) treatable via synchronized cardioversion?           I.    sinus bradycardia           II.   supraventricular tachycardia           III.  ventricular fibrillation           IV.   ventricular tachycardia