The Atom and Bohr Models

What does the Bohr Model represent?

• The structure of molecules

• The structure of the Solar System

• The structure of an atom

• The structure of East Hills

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Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

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Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

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Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

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What is the atomic number of this atom?

• 2

• 4

• 6

• 8

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What is the mass number of this atom?

• 1

• 3

• 4

• 7

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The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

What is this element?

• Beryllium (atomic #4)

• Boron (atomic #5)

• Carbon (atomic #6)

• Nitrogen (atomic #7)

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If an object has the same number of positive and negative charges, its electrical charge is...

• positive
• negative
• neutral or no charge
• opposite

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How many valence electrons?

• 2

• 3

• 4

• 5

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