The reaction of ammonia and hydrogen chloride gas: nh3(s) + hcl(g) --> nh4cl (s) + energy may be classified as a a) replacement reaction b) synthesis reaction c) water-forming reaction d) decomposition reaction

If two atoms are bonded to a central atom with no lone pairs, how will they be arranged

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.

Consider the story you just read. all but one of the choices below indicate that something is living.