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Questions and Answers
Which of the following best describes an element?
Which of the following best describes an element?
What is the difference between mass and weight?
What is the difference between mass and weight?
What are the three components of an atom?
What are the three components of an atom?
What is the main difference between an element and an atom?
What is the main difference between an element and an atom?
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What is the correct term for the models that describe the structure of an atom as a planetary system?
What is the correct term for the models that describe the structure of an atom as a planetary system?
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Study Notes
Elements
- An element is a pure substance that cannot be broken down into simpler substances by chemical means.
Mass vs. Weight
- Mass is a measure of the amount of matter in an object.
- Weight is a measure of the force of gravity on an object.
Atomic Components
- Atoms are made up of three main components:
- Protons: Positively charged particles found in the nucleus.
- Neutrons: Neutrally charged particles found in the nucleus.
- Electrons: Negatively charged particles that orbit the nucleus.
Element vs. Atom
- An atom is the smallest unit of an element that retains the chemical properties of that element.
- An element is a pure substance made up of only one type of atom.
Bohr Model
- The Bohr model, named after Niels Bohr, describes the structure of an atom as a planetary system, with electrons orbiting the nucleus in specific energy levels.
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Description
Test your knowledge of the chemical basis of life with this quiz! Explore the essential concepts of basic chemistry and matter to better understand the foundations of anatomy and physiology.
