A:K3C60和C60中都含有共价键
B:钾的核外电子排布为:1s22s22p63s23p63d104s1
C:K3C60和C60都属于分子晶体,具有较低的熔点
D:C60与12C互为同素异形体
70+80____70+60 5800–800____6000–3000 130+70____200+20
700–90____700–80 1200–200____1000+200 500–50____400+50
100+50____200–60 100–60____100-70
There are _______ things in your room. Stop buying anything until you can clean up your room.