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Punjab Chemistry Online 9th Class Test Lesson 2 Structure of Atom

Test Instructions

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

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7 comments

  1. 92%…… hurrah 🙂

  2. 93%?

  3. yes 58% 🙁

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