The atom questions | form five Chemistry

1. State the rules which govern the pairing of electrons in orbitals of an atom which is in ground state.
2. Give the name of a geometrical structure and one example of the molecule formed from the following hybridized atomic orbitals

1. hybridized orbitals
2. hybridized orbitals
3. hybridized orbitals

100. Calculate the energy associated with an electron moving in an orbital of principle quantum number n=2.

Answer / Solution

UNSOLVED

(a) Use s,p,d,f  notation to designate atomic orbitals with the given pairs of quantum numbers n and l.

1. n =2 and l=1
2. n =3 and l=2
3. n =4 and l=3
4. n =3 and l=0

(b) For the following sets of quantum numbers , state which are allowable and which are not allowable. Briefly explain your answer.

Answer / Solution

UNSOLVED

(a) Define the following phrases

1. Atomic number
2. Mass number

(b) Clearly state four postulates of Planck`s quantum theory as derived from black body radiation.

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UNSOLVED

A nucleus of a certain element is presented as . What is the number of electrons and neutrons in atom X?. Show your work clearly.

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UNSOLVED

Sketch a hydrogen spectral series based on Bohr atom energy level.

Answer / Solution

UNSOLVED