About This Chapter
Chemical Properties of Elements & Substances - Chapter Summary
In these lessons, you'll review the chemical properties of a variety of compounds, substances, mixtures and elements. You'll take a look at acids, bases, and fertilizers. You can also examine the materials used to develop common substances. After completing the chapter, you should be able to do the following:
- Explain physical and chemical changes to matter
- Discuss the combination of elements and compounds to make mixtures
- Detail the properties of air and water
- Define oxygen, hydrogen, nitrogen, carbon, and carbon dioxide
- Measure acids and bases on a pH scale
- Determine the chemical formula of salt
- Discuss materials used to develop substances like glass and paper
- Explore the stimulation of plant growth with natural fertilizer
Our subject matter experts present the information in these short text and video lessons using plenty of examples. The video timelines let you navigate the videos and skip right to the topics you need to review. A brief multiple-choice quiz is available for each lesson to test your knowledge. You can also print the lesson quizzes and use them as worksheets.
1. States of Matter and Chemical Versus Physical Changes to Matter
The world around us is constantly changing. Chemists put those changes into two main categories: physical changes and chemical changes. This lesson will define and provide examples of each.
2. Creating Mixtures by Combining Elements & Compounds
Do you really know what's in your tap water? It's not just water - it's a mixture of many different things. In fact, most things are mixtures of different elements and compounds that are physically joined together.
3. Hydrogen: Properties & Occurrence
Hydrogen is the most commonly found element in the universe. In this lesson we will learn about properties of hydrogen, from its place on the periodic table of elements to its physical and chemical properties.
4. What is Oxygen? - Formula & Levels
Breathe! You've just processed another dose of oxygen. Learn about some different forms of oxygen critical to life on Earth, particularly dioxygen and ozone.
5. What is Nitrogen? - Cycle & Formula
Nitrogen is a vital element for all living things. This lesson walks through some of the properties of nitrogen, the nitrogen cycle, and other uses of nitrogen.
6. What Is Carbon? - Definition & Role in Living Organisms
After watching this video, you will be able to explain what carbon is, how it is used in biological processes and why it is so vital to life on Earth. A short quiz will follow.
7. What is Carbon Dioxide? - Definition & Explanation
Carbon dioxide is a colorless, odorless gas found in our atmosphere, our bodies, and many other places. Learn more about this gas and take the quiz at the end of the lesson.
8. Properties of Water
Why does ice float? Why can water rise on its own against gravity in a small tube? Find out how these mysterious properties of water can be explained by hydrogen bonds.
9. Properties of Air: Definitions & Explanation
Air is all around you, but there's more to this invisible gas than meets the eye. This lesson will delve into all of the unique characteristics of air as well as give some examples that illustrate these characteristics.
10. Acids and Bases
Have you ever wondered how we measure the acidity of liquids? Check out this lesson to see how acids and bases are measured on a pH scale and how they relate to neutral solutions, such as water.
11. What is Salt in Chemistry? - Definition & Formula
What exactly do we mean by 'salt' in chemistry? Learn more about the definition, chemical, and physical properties and how we can easily figure out the chemical formula of many salts. Test what you have learned with a quiz.
12. Materials Used to Develop Common Substances
We use things such as glass and ink on a daily basis, but we don't typically know what they are made from. In this lesson, we will learn the materials used to make several common substances.
13. What Are Natural Fertilizers? - Examples & Overview
In this lesson you will learn about natural fertilizers and how they can stimulate plant growth when added to soil. Examples are given to aid your understanding. At the end, take a quiz to test your knowledge.
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Other chapters within the NDA Exam Preparation & Study Guide course
- About the NDA Exam
- Algebra Concepts
- Advanced Algebra Concepts
- Solving Matrices & Determinants
- Trigonometry Concepts
- Geometry & Linear Equations
- Analytic Geometry
- Functions, Limits & Continuity
- Derivative Rules
- Calculations & Applications of Derivatives
- Integral Calculus
- Differential Equations & Applications
- Scalars & Vectors in Algebra
- Visualizing Statistics
- Probability Concepts in Math
- Grammar and Usage
- Improving Reading Comprehension
- Measurements in Physics
- Motion in Physics
- Basics of Work, Power & Energy
- Understanding Heat Transfer
- Sound Waves
- Light, Mirrors & Lenses
- Electric Currents & Power
- Scientific Technology, Machines & Tools
- The Atom & Structure of Elements
- Chemical Symbols, Formulas & Reactions
- Qualities of Living Organisms
- Health Science Basics
- Solar System & Eclipses
- Achievements of Famous Scientists
- Indian History
- Overview of Major World History Events
- World Government Types
- The Earth
- Earth's Oceans, Atmosphere & Climate
- Regional Geography of South Asia
- Modern Day Events in India
- NDA Exam Preparation & Study Guide Flashcards