Bohr Model Show It Lesson 35

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

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NGSS.MS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

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NGSS.MS-PS1-1

What is the mass number of this atom?

• 1
• 3
• 4
• 7

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NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

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NGSS.MS-PS1-1

How many valence electrons?

• 2
• 3
• 5
• 10

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NGSS.MS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

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NGSS.MS-PS1-1

Identify this atom.

• Lithium
• Boron
• Carbon
• Neon

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NGSS.MS-PS1-1

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

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NGSS.MS-PS1-1

A __________ is a subatomic particle with a positive charge.

• proton

• neutron

• electron

• nucleus

This is the location of electrons in an atom.

• nucleus

• protons

• orbitals

• neutrons