Electron Dot Diagrams

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.MS-PS1-1

Which of these is incorrect?

• 
• 

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This could be the dot diagram of

• P
• Ar
• Na
• B

Tags

NGSS.MS-PS1-1

Most elements will gain or lose electrons so that they end up with _______ valence electrons.

• 2
• 6
• 8
• 10

Tags

NGSS.MS-PS1-1

This could be the dot diagram of an element with the atomic number

• 8

• 31

• 19

• 36

Tags

NGSS.MS-PS1-1

Which of these is correct?

• 
• 
• 

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.MS-PS1-1