About This Chapter
The Properties of Matter - Chapter Summary and Learning Objectives
Matter is a rather large concept, but we are tackling it in this chapter. You'll watch lessons that explain what elements are and how they make up matter. Lessons will also cover topics that include atomic number, mass number, physical properties of matter and common chemical reactions. In addition to learning some of the fundamentals of matter, you will get a chance to learn about nuclear reactions and radioactive decay. Some of the other things you can expect to learn about as you watch the lessons in this chapter include:
- How compounds form from elements
- States of matter
- Phase changes
- Cycles of matter
|What Are Elements?||Learn about elements and how they are used as building blocks of matter.|
|Atomic Number and Mass Number||Explore the atomic number and mass number of an atom to learn how to use the nuclear symbol of an atom to determine its number of protons, neutrons and electrons.|
|How Compounds and Molecules are Built From Elements||Discover how compounds and molecules are built from elements.|
|Matter: Physical and Chemical Properties||Study the physical and chemical properties of matter.|
|States of Matter: Solids, Liquids, Gases, & Plasma||Find out about the types of solids, liquids, gases and plasma, in addition to their properties.|
|Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition||Find out about the processes of evaporation, condensation, freezing and melting.|
|Common Chemical Reactions and Energy Change||Examine common types of chemical reactions.|
|Nuclear Reaction: Definition, Examples & Quiz||Learn about nuclear reactions and how they are different from a chemical reaction.|
|Half-life: Calculating Radioactive Decay and Interpreting Decay Graphs||Develop an understanding of half-life and nuclear decay in relation to radioactive dating.|
|Cycles of Matter: The Nitrogen Cycle and the Carbon Cycle||Analyze how carbon and nitrogen cycle through the environment through biotic and abiotic components.|
1. The Periodic Table: Properties of Groups and Periods
In the late 1800s, Russian chemist Dmitri Mendeleev created the periodic table by organizing elements by their atomic weight in increasing order. Learn about Mendeleev, discover how the elements on the periodic table are organized, and explore the properties of periods and groups.
2. What Are Elements?
An element is a unique type of matter which cannot be separated into parts that are different from the initial element. Learn how elements are represented through symbols, the particles (atoms) that make up elements, and how elements can combine to create different items in the real world.
3. Atomic Number and Mass Number
An atom is defined as the smallest particle of an element that displays the same properties of that element. Learn about the main components of an atom (protons, neutrons, & electrons), the characteristics of each component, and how to determine the atomic number and the mass number of an atom.
4. How Compounds and Molecules Are Built From Elements
Compounds and molecules are built from elements composed of at least two atoms joined with a chemical bond. Learn how elemental personalities build compounds and molecules, explore ionic and covalent chemical bonds, and compare pure substances to mixtures.
5. Matter: Physical and Chemical Properties
Matter, or material substances, are identified based on their physical and chemical properties. Explore how this process works and learn how chemists use different properties to determine the classification of matter.
6. Chemical Bonds: Ionic vs. Covalent
Atoms make up everything on Earth, and chemical bonds are what hold those atoms together. In this lesson, we'll discuss two very important types of chemical bonds: covalent and ionic.
7. States of Matter: Solids, Liquids, Gases & Plasma
There are four states of matter: solid, liquid, gas, and plasma. Explore the characteristics of each state of matter and how they relate to and differ from each other.
8. Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition
Matter exists in four states: solid, liquid, gas, and plasma. There are six changes of phase that occur among these states. Learn more about the different kinds of phase change, their examples, and the energies involved in these changes.
9. Common Chemical Reactions and Energy Change
The five common types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Explore these different reactions, how to predict reactions, and learn how energy changes.
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