Valence Electrons and Lewis Dot Structures

Hydrogen being an exception to the octet rule, needs _____ electrons in its outer energy level to be stable.

• 4

• 6

• 8

• 2

How many electrons are shared in each bonding line?

• 1

• 2

• 3

• 4

Which of these is the correct Lewis structure for NH₃?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Three pairs of electrons are shared in a

• Single bond

• Double bond

• Triple bond

Tags

NGSS.HS-PS1-1

What is a Lewis Dot Structure?

• It shows all of the particles in the atom.

• Contains protons and neutrons

• Only shows the element symbol and it's outer most electron shell

• Contains protons and electrons

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

What is the drawing of an atom that only has the symbol and the valence electrons?

• Lewis Dot Diagram

• Bohr Diagram

• Thompson Diagram

• Dalton Diagram

Is this a correct dot diagram for fluorine (F)

• Yes

• No

Tags

NGSS.MS-PS1-1

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

• 1

• 3

• 4

• 5

Tags

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