Interpretation: The group and period of technetium has to be identified.
Periodic Table: The available chemical elements are arranged considering their atomic number, the electronic configuration and their properties. The elements placed on the left of the table are metals and non-metals are placed on right side of the table.
In periodic table the horizontal rows are called periods and the vertical column are called group. There are seven periods and 18 groups present in the table and some of those groups are given special name as follows,
Interpretation: The possible set of quantum number for subshell of technetium is to be determined.
Quantum numbers are numbers, which explains the existence and the behavior of electron in an atom.
Principle quantum number is represented by n and this number describes the energy of the orbital and the size of an atom.
The values of l when the principal quantum number is n are from to . Each l value indicates subshell.
The values of when the orbital angular quantum number is l are from to .
Interpretation: The wavelength and frequency of the -ray emitted by technetium has to be calculated.
The energy increases as the wavelength of the light decrease. Also the energy increases as the frequency of the light increases.
Interpretation:. The balanced equation of the reaction between and has to be determined. The mass of produced and converted have to be calculated.
Interpretation: Mass and the concentration of has to be calculated if it is dissolved in solution.
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