Electron Configuration of Bromine

The video tutorial explains how to determine the complete and shorthand electron configurations of bromine, an element with atomic number 35. It begins with a detailed walkthrough of filling electron orbitals for the complete configuration, starting from 1s and moving through to 4p. The tutorial then transitions to explaining the shorthand configuration, which uses the nearest noble gas, argon, to simplify the notation. The video highlights the importance of understanding electron configurations in predicting chemical behavior, such as bromine's tendency to form a -1 ion.

What is the atomic number of bromine?

• 35

• 17

• 80

• 53

Which orbital is filled first in the electron configuration process?

• 3p

• 1s

• 2s

• 4d

What is the electron configuration for the 2p orbital in bromine?

• 2p2

• 2p4

• 2p6

• 2p8

Which block does the 3d orbital belong to?

• S Block

• D Block

• P Block

• F Block

What is the electron configuration for bromine's 4p orbital?

• 4p6

• 4p5

• 4p4

• 4p3

What noble gas is used in the shorthand configuration of bromine?

• Krypton

• Xenon

• Argon

• Neon

What is the shorthand electron configuration for bromine?

• [Xe] 6s2 4f14 5d10 6p5

• [Kr] 5s2 4d10 5p5

• [Ar] 4s2 3d10 4p5

• [Ne] 3s2 3p5

Which element's configuration is identical to bromine's up to 3p6?

• Argon

• Calcium

• Scandium

• Potassium

Why is shorthand notation preferred over complete notation?

• It is more detailed

• It is more concise

• It is more accurate

• It is more complex

What is the advantage of using shorthand notation for elements in the same row?

• It reduces errors

• It provides more information

• It saves time

• It increases complexity