Electron Configuration

Front

What is electron configuration?

Back

The distribution of electrons in an atom's orbitals, which determines its chemical properties.

Front

How many electrons can the first energy level hold?

Back

2 electrons.

Front

What is the maximum number of valence electrons an atom can have?

Back

8 valence electrons, following the octet rule.

Front

What is a dot diagram?

Back

A visual representation of the valence electrons in an atom, using dots around the element's symbol.

Front

How many valence electrons does oxygen (O) have?

Back

6 valence electrons.

Front

What is the significance of valence electrons?

Back

They determine how an atom will bond with other atoms.

Front

What happens when an electron moves from a high energy state to a low energy state?

Back

Light is emitted.

Front

What is the electron configuration for neon (Ne)?

Back

1s² 2s² 2p⁶.

Front

How many valence electrons are in an atom of barium (Ba)?

Back

2 valence electrons.

Front

What is the electron configuration for argon (Ar)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶.