Part of an Atom

Part of the atom

Multiple Select

WARM UP! Part 2

Which of these are in the nucleus?

• protons

• neutrons

• electrons

Poll

Cake or Pie??

• Cake!

• Pie!!

Parts of a Periodic Table

Atomic Number- Tells you how many protons are in an atom

Symbol- One to Two letter symbol telling you the atoms name

Atomic Mass- The Protons + Neutrons

What does this mean?

Protons=Atomic Number

Electrons=Protons

How do I know how many Neutrons?

Subtract the Atomic Number from the Atomic Mass

Ex: 12-6=6

6 Neutrons

Multiple Choice

How many Neutrons are in Oxygen?

• 5

• 6

• 7

• 8

States of Matter

Solids

Molecules Are Tightly Packed Together

Least kinetic Energy

Fixed Shape

Liquids

Not too tightly packed

does not have fixed shape

higher kinetic energy

keeps same volume

Gaseous (Gas)

No fixed shape

No fixed volume

High kinetic energy

Open Ended

How do I change from one state of matter to the next?