Elements in the same group have similar properties. Which pair of elements would you expect to have similar properties? O carbon (C) and silicon (Si)
O copper (Cu) and zinc (Zn)
O hydrogen (H) and helium (He)
O nitrogen (N) and oxygen (O)

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

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

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.