Subatomic Particles & Isotopes

Protons are

• Negative

• Positive

• No charge

• Atomic Number

Neutrons have

• Negative

• Positive

• No charge

• Atomic Number

Electrons are are

• Negative

• Positive

• No charge

• Atomic Number

In the nucleus you can find the

• Protons, neutrons and electrons

• Protons and neutrons

• Protons and electrons

• Neutrons

All of the mass is located in the -

• Electron cloud

• APE

• MAN

• Nucleus

An element has an atomic number of 9 and a mass of 19 amu. What is the number of protons this element has?

• 9

• 19

• 10

• 28

An element has an atomic number of 9 and a mass of 19 amu. What is the number of electrons this element has?

• 9

• 19

• 10

• 28

An element has an atomic number of 9 and a mass of 19 amu. What is the number of neutrons this element has?

• 9

• 19

• 10

• 28

The atomic number is the same as the number of

• Protons

• Neutrons

• Mass

• Atom

What gives you the identity of an element?

• Mass

• Atomic number

• Protons

• Electrons