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Chemistry Quiz 27 (25 MCQs)

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1. The process of shaping a piece of wet clay on a potter, s wheel is called .
2. The study of the composition, structure, and properties of matter and the changes it undergoes.
3. How many elements are found in the following molecule? Mg(ClO3)2
4. What is a model that helps determine/predict the molecular geometry?
5. What do we wear to protect our eyes in the lab?
6. Calculate the number of covalent bonds present inCH3-CH2-CH3 compound.
7. What type of elements form Covalent Bonds?
8. Which branch of chemistry would NOT be involved in analyzing the composition of medicines and research how it reacts in the body. (Select all that apply)
9. An electron has a _____ charge.
10. Liter converts to
11. Process from solid to gas.
12. The Kinetic Theory describes the _____ of particles in all matter.
13. Which of the following involves the quantitative determination of the chemical components of the subtance?
14. How many Elements are in this compound? CuSO4
15. Definition of chemistry
16. What is the chemical formula of 'k1+cl1-'
17. Which substance is soluble in water?
18. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
19. The elements that appear below the main body of the periodic table. These elements are characterized by the presence of electrons in the f sublevel.
20. Which is the correct composition of air?
21. Contains two or more elements chemically combined in a fixed position
22. What is the IUPAC name for CH3CH2CH(CH3)CH3?
23. _____ is a hard dark grey non-metallic element abundant in the crust of the Earth.
24. What are the raw materials for the Haber process?
25. Metallic bonds occur in which elements?
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