1. Which statement best describes a pure substance?
2. What happens during a change of state such as melting or boiling?
3. Why is most of an atom's mass located in the nucleus?
States of matter — examples?
Solid, liquid, gas, plasma.
Atomic nucleus — contains?
Protons and neutrons.
States of matter
Solid, liquid, gas, plasma.
Physical properties
Measurable characteristics without changing composition.
Pure substances
Made of only one substance type.
Atomic nucleus
Central, dense, contains protons and neutrons.
It covers the core concepts of Fundamentals of Atomic and Molecular Chemistry, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.
Read the full study guide →The practice quiz has 10 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.
Take the quiz (10 questions) →There are 9 flashcards on Fundamentals of Atomic and Molecular Chemistry, with a question on the front and the answer on the back. Try to recall each answer before you flip, and let spaced repetition bring back the ones you miss.
See all 9 flashcards →Upload a PDF or paste your notes. Revizly writes a study guide, a practice quiz and flashcards in about a minute.