Worksheet on Atomic Structure covering atomic particles, electron configuration, chemical formulas, and pH indicators.
A worksheet titled "Question One: Atomic Structure" containing multiple-choice and short-answer questions about atomic number, mass number, protons, neutrons, electrons, electron configuration, chemical formulas, and pH values of substances. Includes a table of pH values for sulfuric acid, lemonade, and NaHCO₃ solution, and asks about the color changes of litmus paper and universal indicator in these solutions.