Exploring Isotopes and Their Notation

What is an isotope?

• A different element with the same number of neutrons but different number of protons.

• A compound with the same number of elements but different number of molecules.

• A different version of an element with the same number of protons but different number of neutrons.

• A molecule with the same number of atoms but different number of electrons.

What makes a car a 'Lamona' in the analogy?

• Its mass number.

• Its unique features like radio and leather seats.

• Its distinctive lemon-like shape.

• Its color.

How many protons does Carbon-12 have?

• 14

• 8

• 6

• 12

What is the mass number of Carbon-14?

• 12

• 8

• 6

• 14

What does the atomic number represent?

• The number of electrons in the atom.

• The total number of protons and neutrons.

• The number of protons in the nucleus.

• The number of neutrons in the nucleus.

How is Carbon-13 written in isotope notation?

• C-13

• C-6

• C-12

• C-14

What is the atomic number of calcium?

• 26

• 12

• 40

• 20

How many protons does iron have in its nucleus?

• 12

• 26

• 40

• 20

What changes in isotopes of the same element?

• The number of protons.

• The number of neutrons.

• The atomic number.

• The number of electrons.

What is the key concept of isotopes?

• Isotopes are molecules with the same number of atoms but different number of electrons.

• Isotopes are different versions of an element with the same number of protons but different number of neutrons.

• Isotopes are compounds with the same number of elements but different number of molecules.

• Isotopes are different elements with the same number of neutrons.