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Element Definition

An element is a pure substance made up of only one type of atom. For example, oxygen is an element essential for breathing.

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Properties of Elements

LESSON MATERIALSmove

Fun Facts

  • Elements are naturally occurring substances that exist in all three states.
  • Elements have properties like conductivity, magnetism, melting point, boiling point, and color.
  • The element iodine is used as a skin disinfectant during surgery, while copper is used inside electrical wire to conduct electricity.

Why Do We Need To Know About Element

Learning about elements helps you understand how they are used and why they’re important in different jobs. For example, lithium is used to power things like your phone, showing how chemistry and technology work together in things we use every day.

Elements like fluorine and calcium are also important. Fluorine is used in healthcare, and calcium is used in building things. Knowing about elements can help you work in many areas, like being a doctor, an engineer, or creating new technology.

Frequently Asked Questions

What is an element?
Elements are pure substances that are made of only one type of atom.
Give three examples of properties of elements.
magnetism, conductivity, melting point
What do the rows of the periodic table indicate?
There are 7 rows of the periodic table called periods. The number of each period indicates the number of electron energy levels that are positioned outside the nucleus.
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