Acidic Oxides: carbon dioxide, sulfur dioxide, nitrogen dioxide, Basic Oxides: sodium oxide, magnesium oxide, copper(II) oxide, Neutral Oxides: carbon monoxide, water, nitrogen monoxide, Amphoteric Oxides: zinc oxide, lead(II) oxide, aluminium oxide,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?