A patient needs to take 625 mg of ibuprofen twice daily. the pills are each 250 mg. how many pills does the patient need to take each time?

Which one of the quantum numbers does not result from the solution of the schrodinger equation?

What is the difference between accuracy and precision in chemistry?

When a distance between gas particles increases, the volume of the gas increases true or false?

What does it mean if the plus sign is positive for the sodium atom?

Name a metal that doesn't conduct electricity

Barium carbonate, baco3, is stable at ambient temperatures, but decomposes to barium oxide and carbon dioxide at higher temperatures.

How do an isotope and a radioactive isotope differ?

What is a cause of polarity in water molecules?

Which is the force of attraction that holds atoms together? A. gravity B. friction C. physical bond D. chemical bond

Chemical bonding ranges from even electron sharing to total electron transfer because Select one: a. atoms on the periodic table have many different electronegativities b. some atoms can make more bonds than other atoms can c.