add K

SELabNCYU · Dec 8, 2023 · 9912355 · 9912355
1 parent 2dec9d3
commit 9912355
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/1A_elements.txt b/1A_elements.txt
@@ -1,3 +1,5 @@
 H(1)
 Li(4)
 Na(11)
+K(19)
+