Bohr Models and Lewis Dot Diagrams

What is a Bohr Model?

• a simplified representation of an atom

• vertical column in periodic table

• horizontal row in periodic table

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

Tags

NGSS.MS-PS1-1

What is the atomic number of this element?

• 17

• 18

• 35

• 35.453

Tags

NGSS.MS-PS1-1

___________ simplify the Bohr Model by showing only the outer valence electrons used for bonding.

• Lewis Dot Diagrams

• Bohr Models

• Electron Clouds

• Periodic Tables

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

In a chemistry class, the teacher drew a dot diagram on the board and claimed it was for fluorine (F). Is this statement true?

• true

• false

Tags

NGSS.MS-PS1-1

John is studying chemistry and he comes across a dot diagram for magnesium (Mg). He believes it's correct. Is he right?

• true

• false

Tags

NGSS.MS-PS1-1

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

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 (outer) electrons does an Oxygen atom have?

• 2

• 6

• 8

• 16

Tags

NGSS.MS-PS1-1

What is the mass number of this atom of Chlorine?

• 17

• 18

• 35

• 35.453

Tags

NGSS.MS-PS1-1