Real atoms and ions are not hard halls.
查看答案
In chemical reactions, all electrons rearrange around the nuclei.
A. 对
B. 错
The electron configuration of 1S22S22P8 is impossible, since it disagrees with the Pauli Exclusion Principle.
A. 对
B. 错
付款交单和承兑交单的英文缩写分别是()。
A. D/A;D/P
B. D/P;D/A
C. O/A;D/P
D/D;D/A
在跟单托收方式中,风险最大的是()。
A. 远期付款交单
B. 承兑付款交单
C. 即期付款交单
D. 承兑交单