Atoms and the Structure of Matter

What are the basic building blocks of all matter in the universe?

• Atoms and molecules

• Electrons, protons, and neutrons

• Quarks and neutrinos

• Solids, liquids, and gases

How many natural elements are there?

• 0

• 6

• 118

• 92

What is the center of an atom called?

• Proton

• Neutron

• Electron

• Nucleus

Which particle is positively charged?

• Proton

• Electron

• Quark

• Neutron

What is the charge of an electron?

• Negative

• Positive

• No charge

• Neutral

Which particle doesn't have any charge?

• Quark

• Electron

• Proton

• Neutron

What is the smallest particle that makes up neutrons and protons?

• Electron

• Neutrino

• Quark

• Atom

What is the nucleus of an atom made up of?

• Protons and neutrons

• Electrons and protons

• Neutrons and electrons

• Quarks and neutrinos

What affects the mass and radioactivity of an atom?

• Number of quarks

• Number of neutrons

• Number of protons

• Number of electrons

What is the charge of an atom with the same number of electrons and protons?

• Neutral

• No charge

• Positive

• Negative