123

Apuntes

``` Circle the Correct Answer 12. The electron is (positive / negative / neutral). 13. The proton is (positive / negative / neutral). 14. The neutron is (positive / negative / neutral). 15. Circle the correct electron structure: Which is the correct electron structure for Calcium (Ca) (atomic number 20)? A. 2, 8, 8, 2 B. 2, 8, 10 C. 2, 18 D. 4, 8, 8 16. Which of these are noble gases? (Choose 2) A. Oxygen B. Helium C. Argon D. Magnesium 17. Characteristics of Alkali Metals (Group 1): A. Hard, do not react with water B. Soft, shiny, very reactive with water C. Colorless, unreactive D. Always found in the air 18. What does Rutherford’s atomic theory say? A. Atoms are solid balls B. Atoms have electrons in orbits C. Atoms have a small, dense nucleus D. Atoms are empty ``` --- ``` UNIDAD EDUCATIVA LICEO LOS DELFINES “Descubre lo grande que eres” AÑO LECTIVO: 2025 - 2026 Open Questions 19. Explain in your own words what photosynthesis is. 20. What are the 3 parts of an atom and where are they found? Metacognition 21. Which topic in this quiz did you find the easiest? ``` • Subtopic: Clarification of Qu...