How many moles of P4 are needed to produce 144 g of Mg3P2?
6 Mg + P4 --> 2 Mg3P2

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements