experiencia

What are the three subatomic particles that make up an atom?

• Neutrons, Electrons, Quarks
• Protons, Neutrons, Positrons
• Protons, Electrons, Photons
• Protons, Neutrons, Electrons

What defines an element?

• Number of neutrons
• Atomic mass
• Number of electrons
• Atomic number

Where are protons and neutrons located in an atom?

• Energy levels
• Valence shell
• Nucleus
• Orbitals

How many electrons can the first energy level hold?

• 4
• 2
• 8
• 1

What is the charge of a proton?

• Neutral
• Negative
• Positive
• None

What is the charge of an electron?

• Neutral
• Positive
• None
• Negative

What is the charge of a neutron?

• Negative
• Neutral
• Positive
• None

What is the default charge of elements on the periodic table?

• Neutral
• Negative
• Positive
• Varies

How is the mass of an atom calculated?

• Protons + Electrons
• Protons + Neutrons + Electrons
• Neutrons + Electrons
• Protons + Neutrons

How is the charge of an atom calculated?

• Protons + Neutrons
• Protons - Electrons
• Neutrons + Electrons
• Protons + Electrons