Periodic Table Mastery 2025/2026 – 50+ Solved Q&A | Groups, Periods, Subatomic Particles, Reactivity Trends, Metalloids & Element Properties

This Periodic Table Q&A study guide for the 2025/2026 school year offers 50+ clear, flashcard-style solved questions, perfect for chemistry learners who want to master element classification, periodic trends, and atomic structure. It breaks down essential knowledge for midterms, finals, quizzes, or standardized science exams with straightforward, exam-aligned answers. Topics covered include: Group 1 (alkali metals): reactivity, density, melting points, and periodic trends Groups 2, 17, and 18: alkaline earth metals, halogens, and noble gases Groups 3–12: transition metals and their placement Periodic trends: softness, reactivity, density, and metallic character Element types: metals, nonmetals, and metalloids (including staircase location and properties) Atomic structure: protons, neutrons, electrons, atomic number, and mass number Terminology: definitions of element, atom, period (horizontal), and group (vertical) Properties of elements by location on the table Great for visual learners and last-minute revision, this guide ensures strong foundational knowledge that aligns with curriculum standards. Recommended for: Courses: High School Chemistry, General Science, Physical Science, Intro to Chemistry, SAT/ACT Science Prep Students: High school (Grades 9–12), introductory college chemistry, homeschool science learners Keywords: periodic table, alkali metals, halogens, noble gases, transition metals, metalloids, atomic number, mass number, protons, neutrons, electrons, groups, periods, element properties, reactivity trends, chemistry review, high school science, atom structure, element classification