Which of the following describes what happens when you increase ...

[rl]

Which of the following describes what happens when you increase the temperature of water?
 
  A) The molecules start to vibrate and move farther apart.
  B) The molecules start to vibrate and move closer together.
  C) The molecular vibrations start to slow and the molecules move farther apart.
  D) The molecular vibrations start to slow and the molecules move closer together.
  E) none of the above.

Question 2

Which of the following is a negative ion?
 
  A) Na+
  B) Na
  C) O2-
  D) O
  E) all of the above

Question 3

You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would ________.
 
  A) become arsenic
  B) become radioactive
  C) expand and likely lodge in your throat
  D) have a change in flavor

[Jevvish]

Answer to Question 1

A

Answer to Question 2

C

Answer to Question 3

A

[rl]

Excellent

[tandmlomax84]

Gracias!