Chemistry Module 1 Questions • Verified Source

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture: (a) Salt water (b) Oxygen gas (O₂) (c) Concrete (d) Carbon dioxide (CO₂)

Chemistry Module 1 typically focuses on fundamental concepts such as the classification of matter, atomic structure, and quantitative measurements. Below are representative questions and core topics often featured in initial chemistry modules. Core Topics and Sample Questions 1. Matter and its Properties chemistry module 1 questions

Module 1 often covers filtration, distillation, chromatography. Questions ask: Classify the following as an element, compound, homogeneous

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. Because they have different numbers of neutrons, they have different mass numbers. Example: Carbon-12 (6p, 6n) and Carbon-14 (6p, 8n) are isotopes. Classify the following as an element