For brainliest pls yall

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

Name the element in group 17, period 2. (periodic table)

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?