Valence Electrons and Bohr Models

On the periodic table, Groups are

• Horizontal rows

• Vertical columns

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

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

• 1

• 2

• 6

• 8

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

Tags

NGSS.MS-PS1-1

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.MS-PS1-1

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

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NGSS.MS-PS1-1

Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

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NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1