1) Which formula has 8 total Oxygen atoms? a) 4Fe2O3 b) 4H2O2 c) 3SiO2 d) GePO4 2) Which formula has the most Carbon atoms? a) 4NaC2H3O2 b) Ag2CO3 c) 4K2CO3 d) 7C2S2 3) How many Hydrogen atoms are in 4Ca(OH)2? a) 2 b) 4 c) 8 d) 6 4) How many elements are in the formula 5ZnSO4 a) 3 b) 5 c) 30 d) 20 5) How many total atoms are in 6Cu2SeO4 a) 42 b) 13 c) 40 d) 7

Formula Practice

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？