Atomic Structure

DO NOW:

1. Pick up paper by the

door

2. Fold and glue into

journal

3. Join my Quiz

4. Read warm-up, be

prepared to answer
after bell.

WARM UP:

What do we call the smallest unit

of matter?

AKA this thing

Atom

2 Parts

Subatomic
Particles

Subatomic

Particle

Proton

Electrical Charge

Electrical
Charge

Word Bank

Nucleus

Electron
Cloud

Positive

Negative

Neutral

Neutron

Electron

Read the article
then fill in the

graphic

organizer using
what you read.

Subatomic
Particles

Electrical charge

Mass

Protons

Electrons

Neutrons

Location

Atomic Structure

Proton

● Identifies the element

● A Positive charge

● Located INSIDE THE

NUCLEUS

● HAS A MASS OF 1 AMU

Atomic Structure

Neutron

● Has NO charge

● Located INSIDE THE

NUCLEUS

● HAS A MASS OF 1 AMU

Atomic Structure

Electron

● Has Negative charge

● Located in the ELECTRON

CLOUD (outside the
nucleus)

● HAS A MASS OF 0 AMU

There are 2 main parts of an atom.

The center

which is

called the…?

Hint: It’s the
same as what
we call this
middle part of
the cell.

There are 2 main parts of an atom.

Nucleus

Hint: It’s the
same as what
we call this
middle part of
the cell.

Atomic Structure

Nucleus

center

protons

neutrons

positive

protons

protons

neutrons

Atomic Structure

Nucleus

energy

levels

electrons

negative

protons

neutrons

electrons

Electron
Cloud
(energy
levels)

electrons

nucleus

What is an atom made of ?

Subatomic Particles

There are three subatomic particles
They spell out PEN

1. Protons
2. Electrons
3. Neutrons

Multiple Choice

Which subatomic particle has a mass of 1 amu and a positive charge?

• Proton

• Neutron

• Electron

Multiple Choice

Which subatomic particle has a mass of 0 amu and a negative charge?

• Proton

• Neutron

• Electron

Multiple Choice

Which subatomic particle has a neutral or no charge?

• Proton

• Neutron

• Electron

Multiple Choice

Which subatomic particle has a mass of 0 amu?

• Proton

• Neutron

• Electron

Multiple Select

Which subatomic particles are found in the nucleus?

• Proton

• Neutron

• Electron

Multiple Choice

Which subatomic particle is found in the energy levels (electron cloud)?

• Proton

• Neutron

• Electron

Multiple Choice

Which subatomic particle is found in the energy levels (electron cloud)?

• Proton

• Neutron

• Electron

Multiple Choice

Which is the charge of the electron cloud?

• Positive

• Negative

• Neutral

Multiple Choice

Which is the charge of the nucleus?

• Positive

• Negative

• Neutral