Exit Ticket 10-23-23

What does the atomic number refer to?

• The number of protons in an atom's nucleus

• The number of neutrons in an atom's nucleus

• The total number of particles in an atom's nucleus

• The number of electrons in an atom's nucleus

Why is calculating the number of neutrons in an atom crucial for understanding stability and properties of isotopes?

What does the mass number represent in an atom?

• The total number of protons and neutrons

• The total number of electrons

• The total number of protons

• The total number of neutrons

The concept of atomic _ and mass number is fundamental in chemistry and our understanding of matter.

What does the mass number help identify?

• Different elements in a compound

• The number of protons in an atom

• The number of neutrons in an atom

• Different isotopes of an element