TEAS Basic Atomic Structure Practice Questions
TEAS 7 Science · Chemistry
Protons, neutrons and electrons, plus reading the periodic table — this is the most question-heavy chemistry topic.
What the TEAS tests on Basic Atomic Structure
- Atomic number, mass number and isotopes
- Electron shells and valence electrons
- Ions and how charge is determined
5 free Basic Atomic Structure practice questions
Pick an answer and check it to see the full step-by-step explanation.
- Question 1Calcium (Ca) is important for bone health and muscle contraction and has 20 electrons. Its correct ground-state electron configuration is which of the following?
- Question 2Potassium (K) is an essential electrolyte for nerve conduction and has 19 electrons. Its correct ground-state electron configuration is which of the following?
- Question 3Chlorine (Cl), commonly measured as serum chloride in electrolyte panels, has 17 electrons. Its correct ground-state electron configuration is which of the following?
- Question 4Phosphorus (P), an element found in phosphate buffers and ATP, has 15 electrons. Its correct ground-state electron configuration is which of the following?
- Question 5Sodium (Na) is a key electrolyte monitored in basic metabolic panels and has 11 electrons. Its correct ground-state electron configuration is which of the following?
Ready for more? Take the free full-length TEAS Science practice test →
Want more Basic Atomic Structure practice?
Full Access includes 175+ Basic Atomic Structure questions with step-by-step explanations, plus 9,000+ questions across all four TEAS sections. Start with the free diagnostic to find your weakest topics first.
- ✓ Free 12-question TEAS diagnostic
- ✓ Personalized study plan for your exam date
- ✓ Unlimited full-length timed simulations
- ✓ One-time $19.99 — lifetime access, no subscription
One-time payment · Lifetime access · 7-day money-back guarantee