Valance electrons and electron dot diagrams

Front

How many valence electrons are found in atoms of group 1?

Back

1

Front

What are valence electrons?

Back

The number of electrons in the outermost shell.

Front

All atoms are most stable with (or would 'prefer') how many electrons in their valence shell?

Back

8

Front

Hydrogen needs _____ electrons in its valence shell to be stable.

Back

2

Front

What is the maximum number of electrons that can occupy the first shell of an atom?

Back

2

Front

What is the maximum number of electrons that can occupy the second shell of an atom?

Back

8

Front

What is an electron dot diagram?

Back

A visual representation of the valence electrons in an atom.

Front

Which group of elements has 8 valence electrons?

Back

Noble gases.

Front

What happens to an atom when it gains or loses valence electrons?

Back

It becomes an ion.

Front

What is the significance of the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.