Lewis Dot and Bohr's Model

The number of protons an element has is its?

• Atomic mass

• Atomic number

• a.m.u

• Group

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

How many electrons can go in the Second energy level?

• 2

• 8

• 18

• 32

What are the names of the 2 models that we have been using?

• Bohr and Newton Structures

• Lewis and Caroll Models

• Bohr Model & Lewis Dot Structure

• Element & Atom structures

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 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

How many valence (outer) electrons does an Oxygen atom have?

• 2

• 6

• 8

• 16

What is the atomic number of this element?

• 17

• 18

• 35

• 35.453

What is the mass number of this atom of Chlorine?

• 17

• 18

• 35

• 35.453