The metallic lustre exhibited by sodium is explained by. (a) diffusion of sodium ions . (b) oscillation of loose electrons. (c) excitation of free protons. (d) existence of body–centered cubic lattice

What is another way to determine mass times acceleration?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

If two identical atoms are bonded,what kind of molecule is formed