Becoing itsodim fromate t will have pb of 67
The answer is (2) Copper. Because copper is consist of atom. If it is decomposed, the atom will be changed. While chemical change is just the break down and form of chemical bonds between atoms.
Answer:
Copper(II) chloride (CuCl2) reacts with several metals to produce copper metal or copper(I) chloride (CuCl) with oxidation of the other metal.
Explanation:
When a sudden break or shift occurs the energy radiates it comes out of the water
The formula for K+ and S-2 is K2S because you need 2 potassium ions to balance out the sulfide ion