CK4U Electron Dot Diagrams_PhySci

Front

What are valence electrons?

Back

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

Front

How many valence electrons does Hydrogen have?

Back

1 Valence electron.

Front

How many valence electrons does Helium have?

Back

2 Valence electrons.

Front

What is the significance of valence electrons in chemical reactions?

Back

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

Front

What is an electron dot diagram?

Back

An electron dot diagram is a visual representation of the valence electrons in an atom, using dots around the element's symbol.

Front

How many valence electrons does Carbon have?

Back

4 Valence electrons.

Front

What is the correct electron dot diagram for Carbon (C)?

Back

The correct dot diagram shows 4 dots around the 'C' symbol, representing its 4 valence electrons.

Front

How many total electrons does Helium have?

Back

Helium has 2 total electrons.

Front

What is the Bohr model of an atom?

Back

The Bohr model depicts electrons orbiting the nucleus in defined energy levels.

Front

How many valence electrons does Oxygen have?

Back

6 Valence electrons.