How many moles of gas would you have if you had a volume of 38.0 L under a pressure of 1430 mmHg at standard temperature?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Why is retrograde motion an apparent motion