Valence Electrons and Electron Dot Diagrams

Presentation

•

Science

•

9th Grade

•

Hard

James Gonzalez

FREE Resource

10 Slides • 17 Questions

Topic: Valence and Lewis Dot Diagrams

Please copy the main points into your notebook.

Target: Learn the purpose of Lewis Dot diagrams

Essential Question: What are Lewis Dot diagrams?

Talking Points: I can explain how to draw Lewis dot diagrams using valence electrons.

Remember Niels Bohr?

Key Point: Bohrs' model of the atom shows electrons orbiting around the nucleus

Multiple Choice

Bohrs Model of the Atom shows ______ orbiting the nucleus in certain energy levels. Similar to how planets orbit the sun.

Protons

Neutrons

Electrons

Key Point: Valence electrons are located in the outer energy level of an atom.

Multiple Choice

Valence electrons are located in the outer _________ _________ of an atom.

Energy Level

Neutron Cloud

Subatomic Particle

Fixed Superpath

Key Point: Elements in the same vertical column have the same number of valence electrons.

Get your periodic table out now!

Multiple Choice

How many valence electrons does Be have?

Multiple Choice

How many valence electrons does Si have?

Multiple Choice

How many valence electrons does Nitrogen have?

Multiple Choice

How many valence electrons does Oxygen have?

Group 7 has 7 valence electrons.

7 valence electrons = 7 dot for the lewis dot diagram

Ex. Group 7

Group 1 has 1 valence electron.

1 valence electron = 1 dot for the lewis dot diagram

Ex. Group 1

Lewis Dot diagrams are created using the same valence electrons from the periodic table

Trivia Questions!

What do you remember about the peridodic table?

Multiple Choice

Which element is in group 14 and period 3?

Multiple Choice

Which element is in group 11 and period 5?

Multiple Choice

How would Calcium be classified?

Metal

Nonmetal

Metalloid

Multiple Choice

What is an element that is a gas with no luster and is not a conductor of heat or electricity.

Metal

Nonmetal

Metalloid

Multiple Choice

What is an element that is shiny and a good conductor of heat and electricity?

Metal

Nonmetal

Metalloid

Multiple Choice

These elements border the zigzag line on the periodic table.

metals

nonmetals

metalloids

Multiple Choice

How many valence electrons does Xenon have?

131

Multiple Choice

How many valence electrons does Magnesium have?

24.305

Multiple Choice

How many valence electrons does Potassium have?

Multiple Choice

In what section of the periodic table can Silver be found?

Alkali Metals

Noble Gases

Transition Metals

Rare Earth Elements

Multiple Choice

In what section of the periodic table can Iodine be found?

Alkaline Earth

Halogens

Noble Gases

Lanthanides

Topic: Valence and Lewis Dot Diagrams

Please copy the main points into your notebook.

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