All Class Assessment Grade 7 Chemistry 21-22
All Class Assessment Grade 7 Chemistry 21-22 All Class Assessment 1. ---------------------- is a natural rock a) Element b) Ore c) Atom 2. The metal in ores are chemically bonded to other ------------------ d) Element e) Ore f) Atom 3. The least reactive ones are at the ----------------- g) tope h) middle i) bottom 4. Ores are rocks from which it is economical to extract metals that they contain. A) True B) False 5. The least reactive ones are at the tope A) True B) False j) Most metal are found natu...