Periodic Table: Engage & Explore

Periodic
Table

Engage and Explore

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• describe the importance of the periodic table

• identify and locate the information about each element that is found on the table

• calculate atomic mass using the number of protons and neutrons for a given element

​

​Goals:

​It is a table that is organized by periods to show common traits by elements. First table grouped by mass of the elements.

Periodic Table

A Russian chemist that was the first person to arrange the elements and he created the first periodic table that arranged the elements by their atomic mass.

Dimitri Mendeleev

Hotspot

Where is the atomic mass of the element of Nickel shown?

Hotspot

Where is the atomic number for Nickel?

Multiple Choice

How many protons does an atom of nickel have?

• 28

• 58

• 30

• 86

Multiple Choice

How many neutrons does an atom of nickel have?

• 28

• 58

• 30

• 86

Multiple Choice

How many electrons does an atom of nickel have?

• 28

• 58

• 30

• 86

Multiple Choice

What part of an element can never change?

• protons

• neutrons

• electrons

Dropdown

If an atom gains or loses an electron, this creates_​

Select answer

and if an atom gains or loses a neutron then it creates an ​

Select answer

.

​Periodic Table

Periodic Table helps to organize the elements and makes it easier to understand them. Organization is very important in life. Let's try an easy organizational exercise!

Draw

Place the following terms into categories based on something they have in common.

grapes

banana

apples

oranges

watermelon

pineapple

cantaloupe

cherries

blueberries

tangerines

Many chemists work for companies such as dog food or candy companies.

Chemists

​Many different types of engineers use the table from chemical engineers to petroleum engineers to mechanical engineers.

​​Engineers

​Scientists who are trying to create new laundry detergent or new types of candy use the periodic table.

Scientists

​Who uses the Periodic Table?

Mendeleev was the first person to organize the elements. He organized them by their atomic mass. He called it the Periodic table. Over time it has changed to it's current model.

​

Who created the Periodic Table?

• there are 7 Periods

• tell the NUMBER OF SHELLS

• Get higher as you go down

Periods

• there are 18 groups

• tell the NUMBER of VALENCE ELCTRONS

• Get larger amount as move right

Groups

​The rule that everyone in group has 8 electrons so they are stable. But Helium has 2 electrons which makes it have one shell and it is stable and full.

​The exception: Helium

​Fill in the Chart

​Element	​# Protons	​# Electrons	​# Neutrons
​Sulfur (s)	​A	​16	​16
​Argon (Ar)	​18	​B	​22
​	​3	​3	​4
​Mercury (Hg)	​80	​80	​D

Multiple Select

What do I know about an atom from the atomic number?

• Number of Protons

• Number of Neutrons

• Number of Electrons

• Charge of Atom

Multiple Choice

If an isotope of an atom is created, then there is a change in the number of what in the atom?

• number of protons

• number of neutrons

• number of electrons

• number of shells

Hotspot

Valence Electrons are the electrons in the outer most shell of an atom. Which spot on the periodic table shows an element with a large number of electrons in the outer shell?

Hotspot

Valence Electrons are the electrons in the outer most shell of an atom. Which spot on the periodic table shows an element with a small number of electrons in the outer shell?

See you TOMORROW!!!