A.
| B.
| ||||
C.(A-N+2)mol | D.
|
ng |
(A+16)g/mol |
ng |
(A+16)g/mol |
n |
A+16 |
A.a+x-n | B.a+x+n | C.a-x-n | D.a-x+n |
A.R-1 | B.R- | C.R2+ | D.R2- |
A.CH4 | B.NH4+ | C.NH2- | D.Cl- |
A.该变化说明原子核在一般的化学反应中也能发生变化 |
B.该变化同样遵循质量守恒定律 |
C.01n是一种电中性粒子 |
D.对于1530P有:原子序数=质子数=中子数=核外电子数 |
A.A+n+48+x | B.A-n-24-x | C.A-n+24-x | D.A+n+24-x |
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