Quick answer: Group 1 metals have one outer electron and become more reactive down the group, reacting with water to make hydrogen and an alkaline hydroxide. This Chemistry 9-10 quiz checks periodic table groups with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This periodic table groups quiz for chemistry grades 9-10 has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on periodic table groups.
Choose one answer for each question. Wrong options come from common mix-ups, such as reversing the trend in Group 7 or confusing which halogen displaces which. Read the explanation after each answer.
Level: Chemistry grades 9-10 (GCSE · IGCSE · O Level · Class 9-10) · Curriculum: GCSE C1, IGCSE 9
