250×260积的末尾共有______个零.
250×260=65000,
65000的末尾有3个0,
故答案为:3.
I agree with most of what you said, but I don't agree with________.[ ]
A. everything
B. anything
C. something
D. nothing
(6分)今有十种物质:①铝线 ②石墨 ③CO2 ④BaSO4晶体 ⑤纯硫酸 ⑥金刚石⑦石灰水 ⑧乙醇 ⑨熔化的KNO3 ⑩液态HCl(填序号)
(1)其中,能导电的有 ,
(2)属于电解质的有 ,(3)属于非金属单质的有 。