Valence Electrons and Lewis Dot Structure

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

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

How many valence electrons should Carbon have around its Lewis dot model?

• 1

• 3

• 4

• 5

Is this the correct Lewis Dot Structure for Boron?

• Yes

• No, missing electrons

• No, too many electrons

• No, dots are in wrong place.

Mathematical Equivalence

ON

Tags

NGSS.MS-PS1-1

Which are the valance electrons?

Tags

NGSS.MS-PS1-1

How many valence electrons does this atom have?

Mathematical Equivalence

ON

Tags

NGSS.MS-PS1-1

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

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

Tags

NGSS.MS-PS1-1