下列有关化学用语说法正确的是

题干

下列有关化学用语说法正确的是（　　）

A：AlO表示氧化铝

B：H₂表示两个氢原子

C：2Fe²⁺表示两个铁离子

D：在SO₂、S、H₂S中，硫元素化合价依次降低

上一题下一题 0.0难度选择题更新时间:2019-06-18 08:39:28

D

MOVIE GUIDE THURSDAY
Rush Hour 15:00 23:00		My Life as Mcdull 9:00 13:00
①Action Movie Do you like Jackie Chan? Rush Hour is another movie of his. It’s so exciting. Come and have fun!		②Cartoon Mcdull is a little pig. He’s kind of silly but he’s very cute. Do you want to enjoy happiness with him? Be sure to watch it!
Mr. Bean 11:00 19:00		Harry Potter Ⅲ 17:00 21:00
③Comedy Rowan is a great actor. His movie Mr. Bean is coming. It’s very funny. Don’t miss it!		④Science Fiction Harry Potter has been in the wizardry school (魔法学校) for three years. He begins a new life. How is everything going?