Iron Electron Configuration and Properties

Mr. Causey presents a tutorial on writing the orbital notation for iron, which has 26 electrons. He explains the use of the periodic table to determine energy levels and orbitals, focusing on s, p, and d orbitals. The tutorial includes a step-by-step guide to writing the electron configuration and orbital notation, emphasizing the importance of practice. A bonus section covers the formation of iron ions, specifically Fe2+. The video concludes with additional resources and contact information.

What is the first step in writing the orbital notation for iron?

• Get out the periodic table

• Find the atomic radius

• Identify the atomic mass

• Determine the number of protons

How many electrons does iron have?

• 25

• 24

• 27

• 26

Which orbitals are relevant for iron's electron configuration?

• s, p, and f

• s, d, and p

• d, f, and g

• p, d, and f

What rule is used to fill the p orbitals with electrons?

• Bohr's Model

• Hund's Rule

• Aufbau Principle

• Pauli Exclusion Principle

Before filling the 3d orbitals, which orbital must be filled first?

• 3p

• 3s

• 2p

• 4s

What happens to iron when it loses 2 electrons?

• It becomes a neutral atom

• It forms a 2+ ion

• It forms a 3+ ion

• It gains 2 protons

Which ions are most commonly formed by iron?

• Fe3+ and Fe4+

• Fe+ and Fe2+

• Fe2+ and Fe3+

• Fe+ and Fe3+

What is the key to mastering orbital notation according to Mr. Causey?

• Memorizing the periodic table

• Practicing regularly

• Reading textbooks

• Watching videos

Where can you find more resources and videos by Mr. Causey?

• orbitalnotation.org

• electronstudy.net

• ironconfig.com

• mrcausey.com

What humorous claim does Mr. Causey make about subscribing to his YouTube channel?

• It will improve your memory

• It will make you taller

• It will increase your IQ

• It will make you richer