Question
Asked Feb 29, 2020
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Write the ground state electron configuration of Br using the noble-gas shorthand notation.

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Expert Answer

Step 1

The arrangement of electrons of an atom or molecule in atomic or molecular orbitals is known as electronic configuration.

Step 2

Aufbau’s Rule

This rule states that the filling of electrons in an orbital takes place in increasing order of energy level. The order for filling of electrons is given as follows:

Chemistry homework question answer, step 2, image 1

Step 3

Bromine is an element having atomic number 35 and the symbol for this is Br. Thus, the electronic configuration for bromine is given as:

Chemistry homework question answer, step 3, image 1

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