Skip to content

Course home

7.3 Group 0

7.3 Group 0

EasyMediumHard
123456789101112
Question 8
H

A party balloon contains 3.6 dm33.6\,\mathrm{dm^{3}}3.6dm3 of helium at room temperature and pressure.

How many helium atoms are in the balloon?

(1 mol of any gas occupies 24 dm324\,\mathrm{dm^{3}}24dm3 at room temperature and pressure; Avogadro constant = 6.02 × 1023 per mole)

[1]
A

4.52×10224.52\times10^{22}4.52×1022

B

9.03×10229.03\times10^{22}9.03×1022

C

1.81×10231.81\times10^{23}1.81×1023

D

2.17×10242.17\times10^{24}2.17×1024

Markscheme

7.3 Group 0 Questions

  1. GCSE
  2. /Chemistry
  3. /7.3 Group 0

44 exam-style questions on Edexcel GCSE Chemistry 7.3 Group 0, covering 7.3.1 The noble gases. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank