Answer:
Al2(SO4)3
Explanation:
Looking at this carefully, we will discover that Al2(SO4)3 is composed of Al^3+ and SO4^2-.
The aluminum and sulphate ions are ionically bonded. However, the oxygen and sulphur in the sulphate ion are covalently bonded.
Hence, Al2(SO4)3 contains both ionic and covalent bond.
B. The Secondary side of the step down transformer.
Answer:
Physical change: A,C ,D, F, H, I
Chemical Change: B, E, G, J, K
1. Hydrogen has 1 electron.