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Compounds Science Anytime-Harcourt Brace

Compounds Science Anytime-Harcourt Brace. In this activity you will:. learn about compounds and how they are formed. write a paragraph using the facts that you find. Compounds. Compounds are formed when atoms of different elements are combined.

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Compounds Science Anytime-Harcourt Brace

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  1. CompoundsScience Anytime-Harcourt Brace

  2. In this activity you will: • learn about compounds and how they are formed. • write a paragraph using the facts that you find.

  3. Compounds • Compounds are formed when atoms of different elements are combined. • When the elements are combined their identities change.

  4. Water: • Water is formed from hydrogen and oxygen. • Both elements are gases. • When combined they turn to a liquid. • Hence their identities change.

  5. Analogy: • Think of elements as letters of the alphabet and compounds as words formed by combining the letters. • We can spell all of the English words with just 26 letters. • We can form millions of compounds with just 109 elements. • Ex: Sodium(Na) + Chlorine(CI) = Salt(NaCI)

  6. Forming Compounds: • What type of change occurs when forming compounds? • Chemical changes • Do the characteristics of an element change when combined with another? • Yes • What happens when 2 or more elements combine and their properties change? • A compound is formed

  7. Writing Activity • Write a paragraph explaining how a compound is formed. • Include the components combined to form the compound. • Use the periodic table and give an example of a compound.

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