登入
WAEC - Chemistry (2010 - No. 6)
Which of the following species correctly represented an ion of M with 13 protons and 10 electrons?
10
M
3+
10
M
3-
13
M
3+
13
M
3-
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面
