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D) Energy levels 11. Which of the following is not a vector quantity? A) positio

ID: 2304401 • Letter: D

Question

D) Energy levels 11. Which of the following is not a vector quantity? A) position B) mass C) force D) velocity Atoms gain or lose electrons in chemical reactions in order to increase their energy state A) True B) False 13. How many cubic centimeters are in 3 cubic meters? A) 3,000,000 B) 3000,000 C) 9 D) 30,000,000 14. which of the following is an example of a monatomic molecule? A) 02 B) N4 C) Ar D) O3 15. What is the density of iron if a cubic block of iron with length of 1.71 cm has a mass of 39.5 g? A) 0.127 g/cm B) 7.90 kg/m C) 23.10 9/cm D) 7900 kg/m 16. A nonmetal atom combines with a second nonmetal atom. The first nonmetal atom.. A) gains electrons B) loses electrons C) remains neutral D) shares electrons with the second atom 17. What is the formula for the sulfate ion? A) (HSO B) (SO4) c) s D) (SO3)2- 2-

Explanation / Answer

11) B) Mass is not a vector quantity

12) B) False

13) 3 cubic meters is A) 3,000,000 cubic centimeters

14) C) Ar is a monatomic molecule

15) density is

D) d = 39.5/1.713 = 7.9 g/cm3 = 7900 kg/m3

16) The first nonmetal atom D) shares electron with the second atom

17) The sulfate ion is B) SO42-