Two models of the same compound are shown. In what way is model A better than model B.

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

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Once similarity and one difference between a mixture of elements and a mixture of compounds