Beryllium Electron Configuration and Properties

The video tutorial explains the atomic orbital diagram for beryllium, starting with its electron configuration. Beryllium, with an atomic number of four, has four electrons. The electron configuration is 1s2 2s2. The tutorial then illustrates the atomic orbital diagram, showing the placement of electrons in energy levels around the nucleus. It also presents a horizontal version of the atomic orbital configuration. The video provides a clear understanding of how to represent beryllium's atomic structure.

Where is beryllium located on the periodic table?

• Group 1

• Group 2

• Group 3

• Group 4

What is the atomic number of beryllium?

• 5

• 4

• 3

• 2

How many electrons does beryllium have?

• 3

• 4

• 2

• 5

What is the electron configuration of beryllium?

• 1s1 2s1

• 1s2 2s1

• 1s2 2s2

• 1s1 2s2

In the atomic orbital diagram, how are electrons represented in the 1s orbital?

• In opposite directions

• Both in the same direction

• No electrons

• Only one electron

How many electrons are in the 2s orbital of beryllium?

• 3

• 2

• 1

• 4

What is the total number of electrons used in beryllium's atomic orbital diagram?

• 2

• 3

• 5

• 4

How is the atomic orbital diagram for beryllium sometimes represented?

• Vertically

• Horizontally

• In a circle

• Diagonally

What is the benefit of representing the atomic orbital diagram horizontally?

• More accurate

• More colorful

• Takes less space

• Easier to read