Introduction to the Periodic Table

Periodic Table of Elements:

Introduction

•Center of atom
•Contains the protons and neutrons

What do you remember
about the nucleus?

•Positive charge
•Located in nucleus
• 1 atomic mass unit (amu)
•Atomic number = number of protons

What do you remember
about the Proton?

Dropdown

​

Select answer

will give you the number of protons and ​

Select answer

Drag and Drop

In order to find the number of neutrons, you must ​

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the ​

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by the ​

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.

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subtract

atomic mass

atomic number

electrons

neutrons

orbital shells

•Negative charge
•Located in electron cloud, orbital, or energy level
•Mass almost zero so not calculated in atom’s mass

What do you remember
about the electron?

•No charge
•Located in nucleus
•1 atomic mass unit (amu)

What do you remember
about the neutron?

Drag and Drop

A(n) ​

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whizzes around the center subatomic particles.

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electron

proton

neutron

electron cloud

quark

isotope

Drag and Drop

A(n) ​

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will help identify an element on the periodic table.

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proton

neutron

electron cloud

quark

isotope

electron

Match

Match the part of the atom with the correct letter.

• A

• B

• C

• D

• E

Electron

Electron Cloud

Neutron

Proton

Nucleus

• Electron

• Electron Cloud

• Neutron

• Proton

• Nucleus

• Gives the number of PROTONS in an atom (smallest number in the periodic table box)

• If it is an neutral ATOM, then the number of
PROTONS is the SAME as the number of ELECTRONS

Atomic Number

Atomic Mass
• Gives the amount of mass (largest number
in the periodic table box)

Multiple Choice

If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:

• 16

• 32

• 8

• 30

• Atoms of an element
  with a different
  number of neutrons
  

• Have a different
  atomic mass, but the
  chemical properties
  are the same

ISOTOPES

Dropdown

Isotopes are atoms of an element with a different number of ​

Select answer

and will also have a different ​atomic

Select answer

.

Multiple Choice

What would be the atomic mass of ¹⁸O isotope? (hint: look at the picture)

• 16

• 10

• 8

• 18

Fill in the Blank

How many neutrons would this isotope of Lithium have?

Multiple Choice

How is carbon-12 different from carbon-14?

• it has a different number of electrons

• it has a different number of protons

• it has a different number of neutrons

• it has a different number of orbital shells

Match

Match the following

• A

• B

• C

• D

atomic number

element symbol

element name

atomic mass

• atomic number

• element symbol

• element name

• atomic mass

• go UP and DOWN on the periodic table

• Elements are placed into FAMILIES or GROUPS based on their CHEMICAL Properties.

• Elements in groups/ families SHARE
PROPERTIES

Groups/families

This is GROUP/FAMILY 1.

ALL the elements in
this GROUP/FAMILY
SHARE PROPERTIES

This is GROUP/FAMILY 2.
ALL the elements in
this GROUP/FAMILY
SHARE PROPERTIES

• go ACROSS on the periodic table based on the number of PROTONS an element has

• Elements that are in periods DO NOT
SHARE PROPERTIES

PERIOD

Multiple Choice

In what period can you find Boron?

• 1

• 2

• 3

• 4

Drag and Drop

The element​​

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is found in group 9, period 6?

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Iridium

Osmium

Ruthenium

Rhenium

Hassium

Tungsten

Dropdown

Elements ​

Select answer

and ​ Arsenic are found in period 4.

Reorder

Reorder the following elements from the least amount of protons to the most.

• Neon

• Argon

• Krypton

• Xenon

• Radon

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

• Where the electrons are located
• There is a specific number of
electrons that can be located in
each energy level
• Energy Level #1 can have a
maximum of 2 electrons in it
• Energy Level #2 can have a
maximum of 8 electrons in it

Energy Levels

Drag and Drop

The orbital shell marked with letter A is able to hold a maximum of

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electrons and the shell marked B is able to hold a maximum of ​

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electrons.

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2

8

6

1

18

•Found in the outer most
orbital or energy level

•Only part involved in
chemical bonding

Valence Electrons

•Group # = # of Valence Electrons

--> Group 1 has 1 valence electron​

--> Group 13 has 3​ electrons