Pure metals tend to be weaker and more reactive than an alloy which is a

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

Which other elements contain the same number of outer electrons as sodium

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold