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Class 12 Physics (Part Ii) Chapter 12 Atoms Quiz 5 (25 MCQs)

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1. Who said matter is made up of indivisible particles called atoms?
2. What is the charge of electrons?
3. This tells you how many protons are in each atom of a specific element and how many electrons there are in each unreacted atom from that element.
4. What is the full name of Proust?
5. The subatomic particles are called:
6. Why do the electrons surround the nucleus?
7. Inside the nucleus of an atom
8. The cloud-like space that electrons travel around:
9. Which sub atomic particles are in the nucleus
10. How many postulates of Dalton are there?
11. How does an atom change if all of its electrons are removed?
12. TOTAL ENERGY of electron in nth stationary orbit if hydrogen atom is
13. The basic building blocks of the universe. The smallest and most pure substances that can be found.
14. According to Rutherford's model, nucleus of an atom is
15. What is the atomic mass of an atom?
16. What causes objects to change to different states?
17. A molecule is made up of ..... or more atoms.
18. The rows or periods on the periodic table describe:
19. What are the common 3 states of matter? (Yes, this is a lie, there are 4. In fact, the 4th, plasma, is the most common thing found in our entire universe because all stars are made of it and the total mass of stars far outweighs the mass of other objects in space. Grrrrr.)
20. The abbreviation for an element:
21. Which of these is the simplest atom?
22. What is emitted during Alpha Radiation?
23. Subatomic particle with a negative charge
24. What is the study of matter called?
25. What charge do neutrons have?
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