Atoms, Ions, and Isotopes

Where are protons and neutrons located in an atom?

• Electron cloud
• Outer shell
• Nucleus
• Valence shell

What particles orbit the nucleus of an atom?

• Electrons
• Protons
• Neutrons
• Nuclei

What do you call an atom that has gained or lost electrons?

• Isotope
• Ion
• Molecule
• Atom

What is the charge of a neutron?

• Positive
• Negative
• Neutral
• Zero

What is the charge of an electron?

• Negative
• Positive
• Neutral
• Zero

What is the charge of a proton?

• Positive
• Negative
• Neutral
• Zero

What particles are involved in chemical bonding?

• Electrons
• Protons
• Neutrons
• Nuclei

What do isotopes of the same element have in common?

• Same number of neutrons
• Same number of electrons
• Same number of protons
• Same mass number

What is an ion with a negative charge called?

• Cation
• Isotope
• Anion
• Proton

What is an ion with a positive charge called?

• Anion
• Cation
• Isotope
• Neutron