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Class 12 Physics (Part Ii) Chapter 12 Atoms Quiz 7 (19 MCQs)

Quiz Instructions

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1. All atoms consist of mostly empty space.
2. Which statement best explains how the mass of an atom is organized?
3. The order of velocity of electron in ground state of hydrogen atom is
4. This is any combination of two or more atoms from different elements that are chemically combined.
5. What is needed to turn a solid into a liquid?
6. . The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:
7. What are the three main parts of an atom?
8. What is the sum of an atom's protons and neutrons called?
9. Neutrons have what charge?
10. This is a one or two letter representation of each element that is generally close to the element's name. The first letter of this will ALWAYS be capitalized.
11. What name is given to the number of protons in an atom?
12. In Physics, Opposites .....
13. This is the central region of an atom and where protons and neutrons hang out (but the protons and neutrons still follow proper social distancing rules!).
14. This subatomic particle of an atom has a NEGATIVE charge.
15. Who invented the simplified version of the atom?
16. Which of the following is a molecule?
17. The chemical formula of ammonium dichromate is
18. Atoms can be seen with the naked eye
19. Protons have what charge?
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