What is mineral called that contains usable amounts of an element

The compound chromium (II) nitrate is a strong electrolyte. Write the reaction when solid chromium (II) nitrate is put into water:

The combined gas law relates wich of these

What is the electron configuration for bromine

Convert 2.5 miles to km

Aluminum nitrite and ammonium chloride react to form aluminum chloride, nitrogen, and water. How many grams of each substance are present after 72.5 g of aluminum nitrite and 58.6 g of ammonium chloride react completely?

Which planets' orbits is the belt located between the main asteroid belt?

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry