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Author Question: Give the number of electrons for carbon-14, with a -2 charge. A) 7 B) 4 C) 6 D) ... (Read 54 times)

aabwk4

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on: Aug 27, 2018
Give the number of electrons for carbon-14, with a -2 charge.
 
  A) 7
  B) 4
  C) 6
  D) 8

Question 2

What species is represented by the following information? p+ = 17 n = 18 e- = 18
 
  A) Cl
  B) Cl-
  C) Ar
  D) Ar+
  E) Kr

Question 3

What species is represented by the following information? p+ = 47 n = 62 e- = 46
 
  A) Ag+
  B) Nd
  C) Pd
  D) Ag
  E) Pd+

Question 4

Which of the following is an example of chemical change?
 
  A) Copper building materials develop a green patina over time.
  B) Water vapor condenses on the window.
  C) Ethanol evaporates.
  D) A mixture of hydrogen and oxygen gas explodes on ignition.
  E) A helium balloon goes up in the air.


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hollysheppard095

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B

Answer to Question 3

A

Answer to Question 4

D


aabwk4

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Reply 2 on: Aug 27, 2018
Wow, this really help

vickybb89

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Reply 3 on: Yesterday
Gracias!

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