Chapter 4-1 Atoms and the periodic Table

ATOMS

The atom is the basic
building block of all

______.matter

What Is An Atom?

•

Everything in the _Universe is made of atoms.

•

An atom is made up of mostly _______ space.

•

Groups of atoms held together are called __________.

•

_________ are made up of only one type of atom.

Key Facts About Atoms

empty

molecules

Elements

•

Everything in the universe is made of atoms.

•

An atom is made up of mostly _______ space.

•

Groups of atoms held together are called __________.

•

_________ are made up of only one type of atom.

universe
Key Facts About Atoms

empty

molecules

Elements

•

Atoms are made up of smaller parts called
_________ particles.

•

The three subatomic particles are _________,
_________, & _________.

•

The center of an atom is called the _________.

•

The _________ of an atom comes mostly from the
nucleus.

Parts Of An Atom

subatomic

protons

neutrons

electrons

nucleus

mass

​Standard PS. M2 Atoms and

                 PS.M3 Using the Periodic Table

A.Describe the location, charge, and relative size of a proton, Neutron, and electron

B Use information from the periodic table to calculate the number of protons, neutrons, and electrons. Diagram/ make a simple Bohr model of an element.

Open Ended

What do you know about atoms? What do you know about the Periodic Table

Multiple Choice

All Matter is made up of atoms.

• True

• False

Multiple Choice

Elements are made up of one

• Type of atom

• many different types of atoms

ELECTRON

NEUTRON
PROTON

Parts Of An Atom

● Symbol:

○ p or p+

● Charge:

○ positive (+)

● Location

○ nucleus

● Mass

○ 1 amu

Proton

● Symbol:

○ n or n0

● Charge:

○ no charge (0)

● Location

○ nucleus

● Mass

○ 1 amu

Neutron

● Symbol:

○ e or e-

● Charge:

○ negative (-)

● Location

○ electron cloud
(outside the nucleus)

● Mass

○ 1 / 1836

Electron

​Elements on the periodic Table : understanding the information

​3

Li

Lithium

6.941

​Atomic Number

Element Symbol

​ Element Name

​Atomic Mass Number

ELECTRON

NEUTRON
PROTON

Parts Of An Atom

Multiple Choice

Where is the atomic number located on most periodic tables?

• Above the symbol

• Below the symbol

Multiple Choice

What charge does a proton have and where is it located

• A proton has a positive (+) and is located inside the nucleus of the atom.

• The Proton has a negative (-) charge and is located inside the nucleus.

• The proton has a positive charge and is located outside of the nucleus.

Multiple Choice

Electrons are larger than protons.

• True

• False

Multiple Choice

Where are electrons located?

• In the nucleus

• outside the nucleus

• outside the nucleus in an orbital or energy level

Open Ended

write a short paragraph about What you learned about atoms today.o

THE END

1.
All matter is made of atoms.
•

True

2.
Atoms are made of completely solid space.
•

False

3.
Electrons are larger than protons.
•

False

True or False?

Checking For Understanding

4.

The nucleus of an atom is always positively charged.
•

True

5.

Most of the mass of an atom comes from the protons
& neutrons in the nucleus.
•

True

6.

The model of an atom has not changed over the years.
•

False

Checking For Understanding