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Test Instructions |
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| Test Name | : | 9th Class Chemistry Test 2 |
| Subject | : | Chemistry |
| Test Type | : | Mcqs |
| Total Question | : | 12 |
| Total Marks | : | 24 |
| Total Time | : | 30 Minutes |
According to Dalton that An Atom is and invisible, hard dense sphere, Atoms of the same element are alike, Atoms combine in different ways to form a compound. In 1932 James chadwick discovered a neutron. When he bombarded alpha particles on a beryllium target He observed that highly penetrating radiations were produced.
Structure of Atom Lesson 2 Chemistry Online Test 9th Below
This quiz must be completed in 30 minutes.
50%
92%…… hurrah 🙂
93%?
100%
Yes 83%
yes 58% 🙁