A glass column is filled with mercury and inverted in a pool of mercury. The mercury column stabilizes at the height of 744 mm above the pool of mercury. What is the pressure of the atmosphere?

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

the answer to your question is c

you need to have a picture of the atom that way we can answer it