Electron Configuration and Dot Diagrams

Which of the following elements will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?

• Carbon

• Oxygen

• Chlorine

• Hydrogen

This is a correct dot diagram for neon (Ne)

• True

• False

Tags

NGSS.HS-PS1-1

By replacing the element symbol, this could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

What does an atom's group number help us determine?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

Tags

NGSS.HS-PS1-1

According to the octet rule most elements need _______ valence electrons.

• 2

• 8

• 6

• 18

How many electrons should Flourine have around its Lewis dot model?

• 5
• 6
• 7
• 8

Tags

NGSS.HS-PS1-1

Which of these is incorrect?

• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for carbon (C)

• true

• false

Tags

NGSS.HS-PS1-2

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1