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Exploring Atomic Structure: Parts of an Atom

Engage with key concepts of atomic structure, including subatomic particles, isotopes, and electron configuration through a series of recall and application tasks.

Building a Foundation

1. What is the charge of a proton? (1 choice)

Neutral
No charge
Positive
Negative

2. Which of the following particles are found in the nucleus of an atom? (multiple choice)

Valence Electrons
Neutrons
Electrons
Protons

3. Explain the role of electrons in an atom.

4. List the three main subatomic particles and their charges.

Proton

Neutron

Electron

Your answers will be evaluated by AI for key concepts, not exact wording. Focus on main ideas.

5. What determines the atomic number of an element? (1 choice)

Number of valence electrons
Number of protons
Number of neutrons
Number of electrons

comprehension and Application

6. Predict what happens to the atomic number and mass number when a neutron is added to an atom.

7. Which part of the atom accounts for most of its volume? (1 choice)

Neutrons
Nucleus
Electron cloud
Protons

8. Which statements are true about isotopes? (multiple choice)

They have the same number of protons.
They have different numbers of neutrons.
They have different atomic numbers.
They have the same atomic mass.

9. Describe how the atomic mass of an element is calculated.

10. If an atom has 6 protons, 6 neutrons, and 6 electrons, what is its atomic mass? (1 choice)

12
6
18
24

11. An atom has 7 electrons in its outer shell. Which of the following are likely properties of this atom? (multiple choice)

Highly reactive
Likely to lose an electron
Stable
Likely to gain an electron

Analysis, Evaluation, and Creation

12. Which of the following best explains why isotopes of the same element have different physical properties? (1 choice)

Different numbers of neutrons
Different numbers of electrons
Different electron configurations
Different numbers of protons

13. Analyze the following statements and identify which are true regarding electron configuration: (multiple choice)

Electrons fill the lowest energy levels first.
Electrons are shared between atoms in ionic bonds.
Valence electrons determine chemical reactivity.
Electrons in the same shell have the same energy.

14. Analyze how the arrangement of electrons affects the chemical properties of an element.

15. Which element is most likely to form a stable ion by losing one electron? (1 choice)

Sodium
Helium
Chlorine
Neon

16. Evaluate the following scenarios and select which would result in a stable atom: (multiple choice)

An atom with a full outer electron shell.
An atom with one electron in its outer shell.
An atom with seven electrons in its outer shell.
An atom with eight electrons in its outer shell.

17. Design an experiment to determine the isotope composition of a sample of carbon. Describe the steps and the expected outcomes.

18. Propose two real-world applications of isotopes and explain their significance.

Medical imaging

Carbon dating

Your answers will be evaluated by AI for key concepts, not exact wording. Focus on main ideas.

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