1) The number of different elements in calcium carbonate is (CaCO3) ... a) 2 b) 3 c) 4 d) 5 2) The formula for methane is CH4 which of these is true? a) there are 5 atoms b) there are 5 different elements c) there are 3 different elements d) there are 5 different molecules 3) How many atoms in CuSO4? a) 2 b) 3 c) 4 d) 5 e) 6 4) The formula for ammonium sulphate is (NH4)2SO4 How many Hydrogen atoms are there in this formula a) 2 b) 8 c) 1 5) The formula for ammonium sulphate is (NH4)2SO4 How many elements are there in this formula? a) 1 b) 2 c) 3 d) 4 6) The formula for ammonium sulphate is (NH4)2SO4 How many atoms are there in total in this formula? a) 10 b) 9 c) 15 d) 20
0%
Chemical Formulae
共享
共享
共享
由
Kross
KS3
编辑内容
嵌入
更多
排行榜
显示更多
显示更少
此排行榜当前是私人享有。单击
,共享
使其公开。
资源所有者已禁用此排行榜。
此排行榜被禁用,因为您的选择与资源所有者不同。
还原选项
随堂测验
是一个开放式模板。它不会为排行榜生成分数。
需要登录
视觉风格
字体
需要登录
选项
切换模板
显示所有
播放活动时将显示更多格式。
打开结果
复制链接
删除
恢复自动保存:
?