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Author Question: Which of the following elements has the most mass? A) hydrogen B) iron C) lead D) uranium E) ... (Read 117 times)

Pineappleeh

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on: Jul 29, 2018
Which of the following elements has the most mass?
 
  A) hydrogen
  B) iron
  C) lead
  D) uranium
  E) all have the same mass

Question 2

Which of the following is a gas?
 
  A) lithium
  B) carbon
  C) neon
  D) sodium


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Shshxj

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


Pineappleeh

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Reply 2 on: Jul 29, 2018
:D TYSM

daiying98

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Reply 3 on: Yesterday
Gracias!

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