Select all that apply. any element can always be identified by its
a. atomic mass
b. number of neutrons
c. number of protons
d. atomic number

In 2002, the rare earth elements mine in mountain pass, california was closed because

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons