4. The \"shorthand\" electron configuration for bromine, atomic number 35, can b

Question

4. The "shorthand" electron configuration for bromine, atomic number 35, can be written as. b. [Krj4s24p 3d10 c. [Arj4s23d14p d. [Arj4s24p5 e. None of the above 5. For the row on the periodic table beginning with sodium, the shell being filled is a. b. n-1 n-2 e. n#5 6. The building-up principle used to reproduce the electron configuration of the ground states of atoms by filling subshells in a specific order is called (the) a. Aufbau Principle b. Pauli Exclusion Principle c. Heisenberg's Uncertainty Principle d. Hund's Rule e. Orbital Diagram

Explanation / Answer

The shorthand configuration can be written as

[Ar] 3d10 4s2 4p5

Question 5th- the electronic configuration for sodium is 1s(2)2s(2)2p(6)3s(1) so the shell being filled is 3S so n=3

Question 6 the building up principle used for electronic configuration is known as aufbau principle

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