diff --git a/i18n/eu.json b/i18n/eu.json
index 590bcd1..2361131 100644
--- a/i18n/eu.json
+++ b/i18n/eu.json
@@ -11,7 +11,12 @@
 	"math-visualeditor-mwlatexdialog-card-options": "Aukerak",
 	"math-visualeditor-mwlatexinspector-display": "Bistaratu",
 	"math-visualeditor-mwlatexinspector-display-block": "Blokeatu",
-	"math-visualeditor-mwmathdialog-title": "Formula",
+	"math-visualeditor-mwmathdialog-title": "Formula matematikoa",
+	"math-visualeditor-symbol-group-chem-equations": "Ekuazio kimikoak",
+	"math-visualeditor-symbol-group-chem-formulae": "Formulka kimikoak",
+	"math-visualeditor-symbol-group-chem-isotopes": "Isotopoak",
+	"math-visualeditor-symbol-group-chem-oxidation": "Oxidazio-egoerak",
+	"math-visualeditor-symbol-group-chem-stoichiometric": "Zenbaki estekiometrikoak",
 	"math-visualeditor-symbol-group-math-accents": "Azentuak eta diakritikoak",
 	"math-visualeditor-symbol-group-math-arrows": "Geziak",
 	"math-visualeditor-symbol-group-math-derivatives": "Diferentzialak eta deribatuak",