10.A liquid achieves its boiling point when it converts to what form? a. solid b. liquid c. gas d. plasma
11.Which of the following substances has a strong force of attraction due to positively and negatively charged end of atoms in the molecule? a. solid b. liquid c. gas d. plasma
12.A substance achieves its melting point when it changes to what form? a. solid b. liquid c. gas d. plasma
13. We compare substances’ boiling and melting point through its varying a. Weight b. Size c. Temperature d. Shape
14. What molecule have the lowest boiling and melting point? a. nonpolar b. compound c. ionic d. polar
15. the following are molecules with high boiling and melting points EXCEPT, a. Rum b. Ethanol c. Methane d. Methanol
11.Which of the following substances has a strong force of attraction due to positively and negatively charged end of atoms in the molecule? a. solid b. liquid c. gas d. plasma
12.A substance achieves its melting point when it changes to what form? a. solid b. liquid c. gas d. plasma
13. We compare substances’ boiling and melting point through its varying a. Weight b. Size c. Temperature d. Shape
14. What molecule have the lowest boiling and melting point? a. nonpolar b. compound c. ionic d. polar
15. the following are molecules with high boiling and melting points EXCEPT, a. Rum b. Ethanol c. Methane d. Methanol
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Answer:
11. a. solid
12. b. liquid
13. c. temperature
Answer:
10. C
11. A
12. B
13. C
14. D
15. B