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Chemistry Quiz 14 (25 MCQs)

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1. What is the number of valence electrons for Oxygen?
2. The CORRECT name of Al2O3 is _____
3. Reactions that give out heat to the surrounding are classified as one of the following
4. How many neutrons are in an atom of chlorine-35?
5. Chemistry is the study of
6. Cellulose and starch are carbohydrates that are found in _____
7. What is the name of the precipitate formed in the reaction of calcium sulfide and aluminum nitrate
8. Which of the following is an example of a chemical property?
9. Which of the following type of intermolecular forces is the result of temporary uneven distribution of electrons around molecules that result in monetary dipoles?
10. The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
11. Ionic bonds form between metals and _____
12. The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is
13. In CHNOPS, what does the P stand for?
14. A collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means
15. A chemical formula includes the symbols of the elements in the compound and the subscripts that indicates the
16. What is the common name for NaCl?
17. Hydrocarbons will have which type of intermolecular forces?
18. Anything that takes up space and has mass is called _____
19. Butter, shortening, and all animal fats are examples of
20. What is the atomic number for the element Rh?
21. Dissolved particles in a true solution
22. The most commonly used bleaching agent is
23. Which group of elements are located in the middle of elements
24. An atom is made up of which of the following subatomic particles
25. The attraction between molecules of different kinds is known as _____
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