A:该微粒的原子核内有11个质子
B:该微粒在化学反应中易失去1个电子
C:该微粒的原子核外有3个电子层
D:该图表示的微粒是一种离子
12×24=____
1.2×24=____
0.012×24=____
若a= 20152016-1,则(a﹣1)2=____ .
读我国四大地理区域图及甲、乙两幅景观图,完成下列问题.
A. I spent two hours there.
B. He is Yang Liwei.
C. I went to my friend's house.
D. I was born in 2004.
E. No, I didn't.