Chemistry editor icon

Chemistry editor

Maintained by Geoffrey Rowland
Edit chemistry equations in Moodle 2.7, or later, using the mhchem extension to the MathJax or TeX filter. Useful for full and ionic equations, isotopes, equilibrium reactions, thermochemistry and reaction kinetics. Includes a periodic table of element symbols.
Free
Download for free
Supports Moodle 2.7-3.1 See all versions
Latest release: 10 years ago
Installations: 608
Downloads (last 90 days): 68
Frankenstyle name: atto_chemistry
Atto

Installations

Number of sites this plugin is installed on: 608

Number of sites
2014-04 2
2014-05 1
2014-06 2
2014-07 1
2014-08 3
2014-09 27
2014-10 54
2014-11 86
2014-12 81
2015-01 88
2015-02 101
2015-03 109
2015-04 126
2015-05 150
2015-06 160
2015-07 174
2015-08 197
2015-09 222
2015-10 239
2015-11 271
2015-12 279
2016-01 289
2016-02 301
2016-03 312
2016-04 296
2016-05 328
2016-06 345
2016-07 398
2016-08 393
2016-09 388
2016-10 395
2016-11 435
2016-12 455
2017-01 460
2017-02 440
2017-03 477
2017-04 478
2017-05 517
2017-06 471
2017-07 501
2017-08 539
2017-09 550
2017-10 789
2017-11 804
2017-12 768
2018-01 781
2018-02 759
2018-03 762
2018-04 770
2018-05 823
2018-06 808
2018-07 852
2018-08 825
2018-09 819
2018-10 795
2018-11 756
2018-12 779
2019-01 778
2019-02 760
2019-03 756
2019-04 735
2019-05 753
2019-06 745
2019-07 724
2019-08 724
2019-09 709
2019-10 693
2019-11 684
2019-12 670
2020-01 682
2020-02 692
2020-03 749
2020-04 766
2020-05 819
2020-06 878
2020-07 905
2020-08 890
2020-09 874
2020-10 882
2020-11 892
2020-12 881
2021-01 871
2021-02 883
2021-03 880
2021-04 896
2021-05 917
2021-06 920
2021-07 946
2021-08 906
2021-09 900
2021-10 885
2021-11 891
2021-12 880
2022-01 893
2022-02 865
2022-03 864
2022-04 842
2022-05 855
2022-06 856
2022-07 862
2022-08 862
2022-09 843
2022-10 844
2022-11 861
2022-12 860
2023-01 872
2023-02 855
2023-03 863
2023-04 861
2023-05 870
2023-06 871
2023-07 877
2023-08 876
2023-09 836
2023-10 855
2023-11 831
2023-12 844
2024-01 868
2024-02 863
2024-03 839
2024-04 803
2024-05 782
2024-06 756
2024-07 790
2024-08 796
2024-09 788
2024-10 777
2024-11 760
2024-12 767
2025-01 784
2025-02 760
2025-03 760
2025-04 748
2025-05 761
2025-06 743
2025-07 744
2025-08 739
2025-09 698
2025-10 688
2025-11 675
2025-12 666
2026-01 657
2026-02 640
2026-03 645
2026-04 627
2026-05 623
2026-06 627
2026-07 608

Number of sites this plugin is installed on (by Moodle version):

Number of sites
5.2 9
5.1 5
5.0 10
4.5 213
4.4 11
4.3 55
4.2 14
4.1 52
4.0 13
3.9 41
3.8 10
3.7 4
3.6 4
3.5 5
3.4 1
3.3 5
3.2 9
3.11 27
3.10 18
3.1 97
3.0 2
2.9 1
2.8 1
2.7 1

Downloads

Total downloads in last 90 days: 68

Monthly downloads:

Downloads
2025-08 91
2025-09 26
2025-10 50
2025-11 34
2025-12 42
2026-01 66
2026-02 23
2026-03 23
2026-04 27
2026-05 11
2026-06 41
2026-07 11

Version downloads (by month):

v2.7-1 v2.7-2 v2.8-1 v2.9-1 v2.9-2
Aug 2025 10 0 0 0 81
Sep 2025 5 0 0 0 21
Oct 2025 0 1 1 1 47
Nov 2025 0 0 1 0 33
Dec 2025 0 1 1 0 40
Jan 2026 3 2 2 3 56
Feb 2026 0 0 0 0 23
Mar 2026 0 0 0 1 22
Apr 2026 0 0 0 0 27
May 2026 0 0 0 0 11
Jun 2026 1 1 1 2 36
Jul 2026 0 0 0 0 11