A:上述反应中,N2是还原剂,Al2O3是氧化剂
B:AlN的摩尔质量为41 g
C:AlN中氮元素的化合价为+3
D:上述反应中,每生成1 mol AlN需转移3 mol电子
13÷2=6.5,我们说13能被2( )
— How I missed my family and friends when I was abroad!
— Me too. ______.