Periodic Table Organization

Which kind of electron model is this?

• Lewis Dot

• Bohr

Which kind of electron model is this?

• Lewis Dot

• Bohr

Tags

NGSS.MS-PS1-1

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

All the elements in column 1 of the periodic table have how many valence electrons?

• 1

• 2

• 3

• 4

How many valence electrons does Lithium (Li) have?

• 8

• 1

• 5

• 2

All the elements in column 2 of the periodic table have how many valence electrons?

• 1

• 2

• 3

• 4

All the elements in column 15 of the periodic table have how many valence electrons?

• 3

• 4

• 5

• 6

• 7

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.MS-PS1-1

Which of these is incorrect?

• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.MS-PS1-1