bohr and lewis

Multiple Choice

What determines an element's chemical reactivity?

• protons

• electrons

• neutrons

• valence electrons

Open Ended

write your steps to draw a Bohr model of an atom. ie chlorine

Multiple Choice

how many VE

• 7

• 8

• 9

• 10

• do you have noble gas

Multiple Choice

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Multiple Choice

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Multiple Choice

How many valence electrons are in this element?

• 7

• 6

• 5

• 2

Multiple Choice

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

• 2

• 6

• 8

• 10

Multiple Choice

A __________ is a subatomic particle with a neutral charge.

• proton

• neutron

• electron

• nucleus

Multiple Choice

The period number is equal to

• The number of energy levels

• The number of electrons

• the number of protons

• The number of valence electrons

Multiple Choice

The period number is equal to

• The number of energy levels

• The number of electrons

• the number of protons

• The number of valence electrons

Multiple Choice

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

Multiple Choice

On the periodic table, Groups aka families are

• Horizontal rows

• Vertical columns

Fill in the Blanks

Fill in the Blanks

Draw

Draw Bohr model of Al

​Lewis Dot Model

• ​One way we can display the reactivity of an atom is to use the Lewis Dot Model.

• ​Has the chemical symbol surrounded by dots to represent the valence electrons.

​Lewis Dot Model

• ​One way we can display the reactivity of an atom is to use the Lewis Dot Model.

• ​Has the chemical symbol surrounded by dots to represent the valence electrons.

Multiple Choice

How many valence electrons are found in atoms of group 14?

• 4

• 3

• 14

• 16

Multiple Choice

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons

• Neutrons

• Electrons

• Valence Electrons

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

-Lewis dot diagram is a diagram that represents the valence electrons of an element  as  dots.

-​In molecules: It is used to show how the electrons are arranged around individual atoms

Lewis dot diagram

​What is Lewis dot diagram

Valence and Lewis Dot Diagrams

Please copy the main points into your notebook.

Multiple Choice

Bohrs Model of the Atom shows ______ orbiting the nucleus in certain energy levels. Similar to how planets orbit the sun.

• Protons

• Neutrons

• Electrons

Poll

I have recorded the valence numbers on my periodic table.. coach book p table in back

• Yes

• I do not have a copy of the periodic table

Multiple Choice

How many valence electrons does Nitrogen have?

• 5

• 7

• 8

• 14

Multiple Choice

How many valence electrons does Oxygen have?

• 1

• 6

• 8

• 16

Multiple Choice

How many valence electrons does Xenon have?

• 54

• 131

• 8

• 18

Multiple Choice

How many valence electrons does Magnesium have?

• 2

• 12

• 24

• 24.305

Multiple Choice

How many valence electrons does Potassium have?

• 19

• 1

• 39

• 4

Multiple Choice

This could be the dot diagram of

• Ne

• H

• C

• F

Multiple Choice

This could be the dot diagram of an element with the atomic number

• 8

• 31

• 19

• 36

Multiple Choice

This could be the dot diagram of (remember to look at group #)

• O

• B

• Li

• Ne

Multiple Choice

This is a correct dot diagram for neon (Ne)

• true

• false

Draw

draw dot diagram for nitrogen (N)

Draw

draw dot diagram for nitrogen (Cl)

Multiple Choice

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

Multiple Choice

How would you draw a Lewis dot diagram for Magnesium?

Draw

Illustrate a Bohr diagram for Fluorine. (Use a Periodic Table)

Draw

Create a Lewis Structure for Krypton (Kr). (Use a Periodic Table)