What is the number of electrons that can be held in the first orbit closest to the nucleus

If the empirical formula of a compound is known what is needed in order to determine the molecular formula a) the coordination numbers b)the molecular geometry c) the molar mass

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream