- 1 AnswerChemistry2 days ago
For Chromium you said that electronic configuration is a)1s2 2s2 2p6 3s2 3p6 4s1 3d5 or b)1s2 2s2 2p6 3s2 3p6 3d5 4s1?
For Chromium the electronic configuration is
a)1s2 2s2 2p6 3s2 3p6 4s1 3d5
b)1s2 2s2 2p6 3s2 3p6 3d5 4s1
Why there are two configuration for same elements
Out of a) and b) which one is more accurate?Chemistry3 weeks ago
- 1 AnswerChemistry4 weeks ago
1.a The oxidation number of chromium is the same in all the following compounds except
C. Cr2 (SO4 )3
1.b What happens to the Cr3+(aq) ion when it is converted to CrO4 2–
A. Its oxidation number decreases and it undergoes reduction.
B. Its oxidation number decreases and it undergoes oxidation.
C. Its oxidation number increases and it undergoes reduction.
D. Its oxidation number increases and it undergoes oxidation.
Q1)Out of the following samples which contains smallest number of atoms.Explain Why?
A)1gm of H2 B)1gm of O2 C)1gm of S8 D)1gm of Br2
Q2)one molecule of a small portion protein contain 66 atoms of carbon by mass percentage of carbon in the protein is 55.7 4% what is the molar mass of the protein?Personal Finance6 months ago