Unit 1 Review

Positive(+) Charges are called

• Protons

• Ions

• Electrons

• Neutrons

• Positrons

Which Subatomic Particles Are Found in the Nucleus?

• Protons & Electrons

• Electrons & Neutrons

• Protons & Neutrons

• Protons Only

• Neutrons Only

Electrons are located where in the atom?

• Electron Cloud (Outside the Nucleus)

• Inside the Nucleus

• Electrons are not part of the atom

Which of the following best describes mass:

• the measurement of matter in an object

• the measurement of the force of gravity's pull

• the measurement of kinetic energy in an object

• none of the above

Which event always involves a chemical change?

• boiling

• melting

• conducting

• burning

Is this an example of a physical or chemical change?

• Physical

• Chemical

Is this an example of a physical or chemical change?

• Physical

• Chemical

Is this an example of a physical or chemical change?

• Physical

• Chemical

Is this an example of a physical or chemical change?

• Physical

• Chemical

Is this an example of a physical or chemical change?

• Physical

• Chemical