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(c) 35 (d) 13 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would be the atomdc weight of bromine? (a) 5 (al 2 (b) 3 (c) 4

(c) 35 (d) 13 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would be the atomdc weight of bromine? (a) 5 (al 2 (b) 3 (c) 4

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.75PAE
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1/5 100% (a) 1 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would be the atomdc weight of bromine? (al 2 (b) S (a) 35 (d) 13 (b) 3 (c) 4 4. How many grams are there in 0.4 mole of so, ? (d) 5 (a) 25.6 g (b) 160 g 5. How many moles are there in l6.4 g of Ca(NO),? (c) 19.2 g (d) 120 g (a) 0.1 mole (b) 10 moles (c) 5 moles (d) 1 mole 6. An isotope that has 35 p, 35 e and 46 n is: 81 355 (a) 81pd (b) 5Br 46, (c) 355 Br (d) 35. 46 46 Pb 7. The number of electrons in the outermost energy level of chlorine is: (a) 7 (b) 6 (c) 5 (a) 4 8. Isotopes of the same element always have: (a) the same number of neutrons (b) the s ame atomiC weight (c) different numbers of protons. a) the same atomic number 9. The carbon-carbon bond in a molecule of ethylene, C,H is a(n): (b) double bond (c) triple bond (a) single bond (a) ionic bond 10. Which of the following compounds is the least polar? (a) HF (b) HC1 (c) HBr (d) HI 11. The formula of copper(I) sulfate is: (b) Cu(so 2 (c) Cu2s04 (d) cuso3 (a) Cuso UDOnnd Fe(c,H,0,), is:
Transcribed Image Text:1/5 100% (a) 1 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would be the atomdc weight of bromine? (al 2 (b) S (a) 35 (d) 13 (b) 3 (c) 4 4. How many grams are there in 0.4 mole of so, ? (d) 5 (a) 25.6 g (b) 160 g 5. How many moles are there in l6.4 g of Ca(NO),? (c) 19.2 g (d) 120 g (a) 0.1 mole (b) 10 moles (c) 5 moles (d) 1 mole 6. An isotope that has 35 p, 35 e and 46 n is: 81 355 (a) 81pd (b) 5Br 46, (c) 355 Br (d) 35. 46 46 Pb 7. The number of electrons in the outermost energy level of chlorine is: (a) 7 (b) 6 (c) 5 (a) 4 8. Isotopes of the same element always have: (a) the same number of neutrons (b) the s ame atomiC weight (c) different numbers of protons. a) the same atomic number 9. The carbon-carbon bond in a molecule of ethylene, C,H is a(n): (b) double bond (c) triple bond (a) single bond (a) ionic bond 10. Which of the following compounds is the least polar? (a) HF (b) HC1 (c) HBr (d) HI 11. The formula of copper(I) sulfate is: (b) Cu(so 2 (c) Cu2s04 (d) cuso3 (a) Cuso UDOnnd Fe(c,H,0,), is:
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