What would be the product formed if 6-ethyl-2-methyl-3-octyne were reacted with two equivalents of hbr?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.