PLEASE HELP! DUE IN 5 MINS!! CHEMISTRY

True or false: lone pairs of electrons around the central atom do not influence the shape
of the molecule.

Which is a characteristic of mixtures?

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.

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?