Potassium's Electron Configuration and Charge

The video tutorial explains two primary methods to determine the ionic charge of potassium: using the periodic table and electron configuration. It highlights the trends in ionic charges across different groups on the periodic table and explains how potassium, being in group one, has a charge of one plus. The tutorial also delves into electron configuration, showing how potassium loses its valence electron to form a stable ion with a charge of one plus, similar to the noble gas argon.

What are the two primary methods to determine the ionic charge of potassium?

• Using atomic mass and atomic number

• Using electron configuration and atomic number

• Using the periodic table and electron configuration

• Using the periodic table and atomic mass

Which group in the periodic table does potassium belong to?

• Group 3

• Group 1

• Group 4

• Group 2

What is the ionic charge of elements in group one of the periodic table?

• 0

• 1-

• 1+

• 2+

How many protons and electrons does a neutral potassium atom have?

• 20 protons and 20 electrons

• 18 protons and 18 electrons

• 21 protons and 21 electrons

• 19 protons and 19 electrons

What happens to potassium's valence electron when it bonds with another element?

• It remains unchanged

• It shares an electron

• It loses an electron

• It gains an electron

What is the electron configuration of potassium similar to after it loses an electron?

• Argon

• Helium

• Krypton

• Neon

Why does potassium become positively charged when it loses an electron?

• It gains a positive charge

• It loses a negative charge

• It gains a negative charge

• It loses a positive charge

What is the stable electron configuration achieved by potassium after losing an electron?

• A full fourth energy level

• A full third energy level

• A full second energy level

• A full first energy level

Which noble gas does potassium's electron configuration resemble after ionization?

• Neon

• Radon

• Argon

• Xenon

What are the two methods to determine the ionic charge of potassium?

• Periodic table and atomic mass

• Atomic mass and atomic number

• Periodic table and electron configuration

• Electron configuration and atomic number