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Author Question: Nonmetals produce negatively charged ions, which are referred to as a) lone pairs. b) cations. ... (Read 86 times)

saliriagwu

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on: Jul 28, 2018
Nonmetals produce negatively charged ions,
  which are referred to as
  a) lone pairs.
  b) cations.
  c) polar ions.
  d) anions.

Question 2

A 5.0-g particle moving 60 m/s collides with a 2.0-g particle initially at rest. After the collision each of the particles has a velocity that is directed 30 from the original direction of motion of the 5.0-g particle. What is the speed of the 2.0-g particle after the collision?
 a. 72 m/s
  b. 87 m/s
  c. 79 m/s
  d. 94 m/s
  e. 67 m/s


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Jmfn03

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

d

Answer to Question 2

b


saliriagwu

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

rachel

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Reply 3 on: Yesterday
Wow, this really help

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