问题
名词解释
间隙化合物
答案
参考答案:
当非金属(X)和金属(M)原子半径的比值rX/rM>0.59时,形成具有复杂晶体结构的相,通常称为间隙化合物。
间隙化合物
参考答案:
当非金属(X)和金属(M)原子半径的比值rX/rM>0.59时,形成具有复杂晶体结构的相,通常称为间隙化合物。
阅读短文,选词填空。 | ||||
This is Jim's bedroom. He is 1__________ American boy. He's eleven 2__________ old. Now he and his 3__________ are in China. Jim's father is a teacher. His mother is a doctor. There's a 4__________ photo on the wall 5__________ Jim's bedroom. Under the bed, there's a football. Jim 6__________ football very much. But he wants to 7__________ a teacher, 8__________ his father.
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