Answer:
mass=? (use the formula given)
Explanation:
density=mass(g)/volume(cm³)
7.874g/cm³=mass x (60000cm³)
mass=?
outer electrons
Alkali metal hydroxides can be used to test the identity of metals in certain salts. The colour of the precipitate will help identify the metal : Calcium hydroxide is soluble; no precipitate is formed.
Max Planck discovered the quantum of action
I think the answer is A
Lead fluoride hope this helps