12 which gas is monatomic at room temperature and
pressure?
(1) nitrogen
(2) neon
(3) fluorine
(4) chlorine

Only noble gases are monatomic in these conditions, so your answer would be neon

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)