D = M/V = 76g / 22ml = 3.4g/ml
Half ~ D = 38g / 11ml = 3.4g/ml
Even if the object you had was cut in half, it’s density would remain the same.
18. c
19. A
20. decomposition reaction
21. 4
22. 0.04%
Answer:
oxygen is responsible for rusting
Answer:
its atomic number will be 3 and it's mass number will be 7. it is lithium