Valence Electrons and Electron Dot Diagrams

Front

What are valence electrons?

Back

Valence electrons are the outermost electrons in an atom that are involved in chemical bonding.

Front

What is the 'magic number' of valence electrons for atoms to be stable?

Back

8

Front

How many valence electrons does Silicon (Si) have?

Back

4

Front

What is the electron dot diagram for Helium (He)?

Back

He has 2 valence electrons, represented as: •• He ••.

Front

What is the electron dot diagram for Aluminum (Al)?

Back

Al has 3 valence electrons, represented as: •• Al •.

Front

How many valence electrons does Carbon (C) have?

Back

4

Front

What is the electron dot diagram for Beryllium (Be)?

Back

Be has 2 valence electrons, represented as: •• Be ••.

Front

Which element has the electron dot diagram that looks like this: •• Si •?

Back

Silicon (Si) has this electron dot diagram.

Front

What is the significance of valence electrons in chemical reactions?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

How many valence electrons does Neon (Ne) have?

Back

8, making it a noble gas and chemically stable.