Chemistry Review

What is matter?

• Anything that has mass and takes up space

• How dense an object is

• The amount of space an object takes up

• The transfer of heat through the rising and falling movement in a gas or a liquid in which the warmer parts rise and colder parts sink

What is an atom?

• A large molecule

• Largest piece of matter

• Smallest piece of matter

• A molecule made of ions

What is the center of an atom called?

• Proton

• Neutron

• Electron

• Nucleus

What is a proton?

• A subatomic particle that is negatively charged

• A subatomic particle that is positively charged

• A subatomic particle that has no charge

• A subatomic particle that is located outside of the nucleus

What is a neutron?

• A subatomic particle that is negatively charged

• A subatomic particle that is positively charged

• A subatomic particle that has no charge

• A subatomic particle that is located outside of the nucleus

Choose all of the correct answers about electrons.

• Electrons are positively charged subatomic particles inside the nucleus

• Electrons are negatively charged subatomic particles

• Electrons are subatomic particles with no charge

• Electrons are located outside of the nucleus in the electron cloud

What is atomic mass?

• Protons + neutrons

• Protons + electrons

• Neutrons + electrons

• Neutrons + quarks

Which subatomic particles are found inside the nucleus?

• Protons

• Neutrons

• Electrons

• Quarks

Which number here is my atomic number?

• 5
• 10.811

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811