[Answered] Atoms with the same atomic number and different mass numbers _______

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Author Question: Atoms with the same atomic number and different mass numbers ________. A) do not exist B) are ... (Read 257 times)

FButt

Hero Member
Posts: 519

on: Aug 27, 2018

Atoms with the same atomic number and different mass numbers ________.

A) do not exist
B) are isomers
C) are isotopes
D) are allotropes
E) are resonance structures

Question 2

How many molecules of N2 are in a 500.0 mL container at 780 mm Hg and 135C?

A) 8.76 1021
B) 9.23 1021
C) 2.65 1022
D) 2.79 1022

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cassie_ragen

Sr. Member
Posts: 347

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

B

FButt

Hero Member
Posts: 519

Reply #2 on: Aug 27, 2018

Thanks

cassie_ragen

Sr. Member
Posts: 347

Reply #3 on: Aug 27, 2018

Welcome

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