Home test - 1
1.In terms of period and group where would you locate the element with Z=114
2. Write the atomic number of the element in the third period, and seventeenth group of the periodic table
3.on the basis of quantum numbers,justify that the sixth period of the periodic table should have 32 elements.
4.which element do you think would have been named by
Lawrence Berkeley laboratory
Seaborg's group
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Answer:
1. Elements with atomic numbers from z is equal to 87 till z is equal to 114 are located in the seventh period and 14th group of the periodic table.
2. 17- Chlorine
3. In the 6th period, electrons can be felt in only 6s, 4f, 5D and 6p subshells......
According to Pauli's exclusion principle each orbital can accommodate a maximum of two electrons. Thus, sixteen orbitals can accommodate a maximum of 32 electrons. Hence, the sixth period of the periodic table
should should have 32 elements.
4. A. Berkelium
B. Seaborgium
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