WJEC Electronic Configuration

Front

What is electron configuration?

Back

Electron configuration is the distribution of electrons in an atom's orbitals, which determines the chemical properties of the element.

Front

What does the notation '2.1' in electron configuration represent?

Back

The notation '2.1' indicates that there are 2 electrons in the first energy level and 1 electron in the second energy level.

Front

Which element has an electron configuration of 2.1?

Back

Lithium (Li)

Front

What is the electron configuration of neon?

Back

2.8

Front

What does the notation '2.8' in electron configuration signify?

Back

The notation '2.8' signifies that there are 2 electrons in the first energy level and 8 electrons in the second energy level.

Front

What is the electron configuration of magnesium?

Back

2.8.2

Front

What does the notation '2.8.2' in electron configuration indicate?

Back

The notation '2.8.2' indicates that there are 2 electrons in the first energy level, 8 in the second, and 2 in the third energy level.

Front

Which element has an electron configuration of 2.8.6?

Back

Sulfur (S)

Front

What is the electron configuration of potassium?

Back

2.8.8.1

Front

What does the notation '2.8.8.1' in electron configuration represent?

Back

The notation '2.8.8.1' represents 2 electrons in the first energy level, 8 in the second, 8 in the third, and 1 in the fourth energy level.