A certain orbital of the hydrogen atom has n = 4 and l = 2 what are the possible values of ml for this orbital?
1 answer:
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Answer:
0.004522 moles of hydrogen peroxide molecules are present.
Explanation:
Mass by mass percentage of hydrogen peroxide solution = w/w% = 3%
Mass of the solution , m= 5.125 g
Mass of the hydrogen peroxide = x
Mass of hydregn pervade in the solution = 0.15375 g
Moles of hydregn pervade in the solution :
0.004522 moles of hydrogen peroxide molecules are present.
Answer:
B.They all have their valence electrons in the same type of subshell
Explanation:
- The electron configurations of elements in the same group (column) of the periodic table have them in the same type of subshell.
- But the subshells may be of different shells. Thus , the energies of them need not be the same.
- For example , The Alkalai Metals are found in the first column of the periodic table Group IA. This set of elements all have valence electrons in only the '
' orbital and because they are in the first column they all have
configuration. i.e,
- H
- Li
- Na
- K