eTOM -everything on Mac -

This challenge features 10 pairs chosen from the first 20 elements and four additional metals (Silver, Copper, Iron, and Zinc). The upper cards display element names, while the lower cards display their chemical symbols.

1番から20番と、Ag,Cu,Fe,Zn から10組の問題が出ます。 上半分が日本語で元素名、下半分が元素記号です。