Atoms

The basic building block of matter

• Atom

• Molecule

• Compoun

• Element

The basic unit of a chemical element.

• Atom

• Molecule

• Matter

• Element

What are the three basic parts of an atom?

• Protons, Neutrons, Electrons

• Protons, Nucleus, Electrons

• Proteins, Neutrons, Electons

• Protons, Neutrons, Elements

Protons and Neutrons are found in an atoms

• Nucleus

• Outer Orbit

• Central Region

• Nucleolus

What determines the elements identity?

• Protons

• Neutrons

• Electons

• Mass Number

Protons have a _________ charge.

• Positive

• Negative

• Neutral

• No charge

Neutrons have a ______ charge.

• Negative

• Neutral

• Not electrically charged

• Positive

What are located outside the atoms nucleus?

• Electrons

• Protons

• Neutrons

• Atomic Number

Mass number = ??? + ???

• Protons + Neutrons

• Neutrons + Electrons

• Electrons + Protons

• Atomic number + Protons

What is the mass number of an element that has 4 protons and 5 neutrons?

• 9

• 1

• 4

• 10