3. Oxygen contains 8 electrons. In oxygen gas (O.), how many pllts between two o

Question

3. Oxygen contains 8 electrons. In oxygen gas (O.), how many pllts between two oxygen atoms? one pair b.) two pairs three pairs four pairs The molecular weight of sucrose is 342, One mole of sucrose weighs exactly d. 4. a. 342 Daltons b. 342 micrograms (Hg) 342 milligrams (mg) c. 342 kilograms (kg) The element with which of the following atomic number would be most stable? 342 grams (g) 5. a. b, 3 c. 8 d. 10 e. 20 6. The molecular weight of glucose is 180. How many grams of glucose are there in 1 liter of 0.1 M glucose solution? a. 18 b. 180 c. 1,800 d. 18,000 7. What is the molecular weight of ribose (CsHioOs)? a. 29 b. 46 c. 150 d. 180 8. Chlorine (CI) is the element with atomic number 17. How many electrons are there in the outermost electron shell of Cl? a. b. 2 c. 5 d. 7 e.

Explanation / Answer

3) In oxygen gas, how many pairs of electrons are there?

B) Two pairs

4) Sucrose weights exactly:

D) 342 grams

5) D) 10

6) A) 18

7) C) 150

8) D) 7

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