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Questions and Answers
What particles make up atoms?
What particles make up atoms?
protons, neutrons, electrons
Describe the electrical charges of the particles in atoms.
Describe the electrical charges of the particles in atoms.
protons are positive, electrons are negative, neutrons are neutral
What are the two main classifications of matter?
What are the two main classifications of matter?
substances and mixtures
How do the two main classifications of matter differ?
How do the two main classifications of matter differ?
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How are atoms related to elements?
How are atoms related to elements?
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How are elements related to compounds?
How are elements related to compounds?
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What can you learn about a compound from its chemical formula?
What can you learn about a compound from its chemical formula?
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Compare a heterogeneous mixture and a homogeneous mixture.
Compare a heterogeneous mixture and a homogeneous mixture.
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Compare a solvent and a solute.
Compare a solvent and a solute.
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Study Notes
Particles of Atoms
- Atoms are composed of three main particles: protons, neutrons, and electrons.
- Protons carry a positive charge, electrons carry a negative charge, while neutrons have no charge (neutral).
Classifications of Matter
- Matter is primarily classified into two categories: substances and mixtures.
- Substances have a uniform composition and specific chemical formulas or symbols; they do not vary in composition.
- Mixtures have variable compositions and do not have fixed formulas; their components can be separated.
Elements and Compounds
- Each element consists of only one type of atom, contributing to the definition of a substance.
- Compounds are formed when atoms of two or more different elements chemically bond together.
Chemical Formulas
- A chemical formula provides insight into a compound by indicating the types of atoms present and their arrangement in the compound.
Mixtures Comparison
- Heterogeneous mixtures are characterized by uneven mixing, making their components easy to separate.
- Homogeneous mixtures have a uniform composition, making them more challenging to separate.
Solvent vs. Solute
- In a solution, the solvent is the component present in the largest amount, while solutes are all other substances dissolved in the solvent.
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Description
Test your knowledge with these flashcards on Classifying Matter Chapter 10 Lesson 1. This quiz covers the basic particles that make up atoms, their electrical charges, and the main classifications of matter. Ideal for students looking to reinforce their understanding of foundational chemistry concepts.
