Chemical Compounds

These electrons are in the outermost energy level of an atom - you can also decipher how many of these electrons orbit atoms based on their Periodic Table group number:

• Neutrons

• Protons

• Ions

• Valence electrons

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NGSS.HS-PS1-1

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The way that atoms gain or shed electrons in order to maintain a steady valence orbit is known as:

• The Elite Eight

• The Secure Shell

• The Octet Rule

• The Eight is Great Rule

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NGSS.HS-PS1-1

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These diagrams are made with the symbol of an element surrounded by dots that represent pairs of electrons

- OR - This model represents the valence electrons in an element:

• Bohr Model

• Lewis Dot Structures

• Orbital Maps

• Periodic Table

Look at this image. What's the relationship that's being illustrated between the roman numerals at the top and the diagrams in the cells?

• Group number and Valence electrons

• Atomic number and Number of protons

• Mass number and Bohr models

• Periodic table and Anatomic models

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NGSS.HS-PS1-1

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What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

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NGSS.MS-PS1-1

Which of the following elements will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?

• Carbon

• Oxygen

• Chlorine

• Hydrogen

What is the first thing you need to do when drawing Lewis Structures?

• Draw your bonds
• Count the number of valence electrons
• Subtract to make the valence number even
• Add to make the valence number even

How many valence electrons does Oxygen Have?

• 4 Valence electron

• 5 Valence electron

• 6 Valence electron

• 7 Valence electron

• 8 Valence electron

Tags

NGSS.HS-PS1-1

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond

Tags

NGSS.MS-PS1-1

What is the goal of the Lewis Dot Structure?

• To determine the electron position

• To show an element's valence electrons and bonding capabilities

• To find the atomic mass of an element

• To search for the number of electrons in an individual atom