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Author Question: When metals become ions, they tend to a)share their valence electrons. b)gain more electrons in ... (Read 120 times)

fnuegbu

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on: Jul 28, 2018
When metals become ions, they tend to
  a)share their valence electrons.
  b)gain more electrons in their valence shells.
  c) lose electrons from their valence shells.
  d) keep their valence electrons as they were, but
   add protons to their nuclei.

Question 2

A 6.0-kg object, initially at rest in free space, explodes into three segments of equal mass. Two of these segments are observed to be moving with equal speeds of 20 m/s with an angle of 60 between their directions of motion. How much kinetic energy is released in this explosion?
 a. 2.4 kJ
  b. 2.9 kJ
  c. 2.0 kJ
  d. 3.4 kJ
  e. 1.2 kJ


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trampas

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

c


fnuegbu

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Reply 2 on: Jul 28, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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