What element with a mass number of 100 has 56 neutrons in its nucleus?

Which of the following best defines a scientific law?

Express the number 0.0012 m, the thickness of a medium ink pen line, in scientific notation.

Which of the following is an extensive property of the element carbon?

Which of the following quantities is equivalent to 594 mg?

A chemist encounters an unknown metal. They drop the metal into a graduated cylinder containing water, and find the volume change is 6.90 mL. If the metal weighs 9.84 g, what is the density of the metal in g/mL?

A chip of ice has a mass of 550.5 mg. What is the mass of this ice in grams?

Patients taking this antihypertensive should be monitored to prevent hyperkalemia:

Your patient takes warfarin for A-Fib and has decided to go on a diet in which he is eating a spinach salad twice daily. How will this affect the warfarin and the INR?

Which description best summarizes the basic mechanism by which ALL clinically useful anti-anginal drugs exert their desired anti-anginal effects in exertional angina?