[Answered] Which of these gases is least abundant in our atmosphere? A) hydrogen B) nitrogen C) argon D) ...

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Author Question: Which of these gases is least abundant in our atmosphere? A) hydrogen B) nitrogen C) argon D) ... (Read 93 times)

P68T

Hero Member
Posts: 509

on: Jul 27, 2018

Which of these gases is least abundant in our atmosphere?

A) hydrogen
B) nitrogen
C) argon
D) oxygen
E) carbon dioxide

Question 2

Spectral lines are produced when an electron makes a transition from one energy state to another.

Indicate whether the statement is true or false

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joechoochoy

Sr. Member
Posts: 306

Reply #1 on: Jul 27, 2018

Answer to Question 1

A

Answer to Question 2

TRUE

P68T

Member
Posts: 509

Reply 2 on: Jul 27, 2018

YES! Correct, THANKS for helping me on my review

steff9894

Member
Posts: 337

Reply 3 on: Yesterday

Excellent

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