Which of the following gases is a trace natural constituent of the air? a. Ar b. SO2 c. CO d. ...

Author Question: Which of the following gases is a trace natural constituent of the air? a. Ar b. SO2 c. CO d. ... (Read 88 times)

Shelles

Hero Member
Posts: 582

on: Jul 28, 2018

Which of the following gases is a trace natural constituent of the air?
a. Ar
b. SO2
c. CO
d. NO2

Question 2

When an electron is added to an atom, a(n) ______________ ion is formed.
Fill in the blank(s) with correct word

ankilker

Sr. Member
Posts: 328

Reply #1 on: Jul 28, 2018

Answer to Question 1

a

Answer to Question 2

negative

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Shelles

Hero Member
Posts: 582

Reply #2 on: Jul 28, 2018

Thank you!

ankilker

Sr. Member
Posts: 328

Reply #3 on: Jul 28, 2018

Always glad to help...

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