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Understanding Atoms, Elements, and Compounds in Chemistry

Explore the world of atoms, elements, and compounds through this comprehensive lesson. Learn about the fundamental building blocks of matter, their characteristics, and how they come together to form different substances. From the definition of atoms to understanding compounds and mixtures, this lesson covers it all, including formulas and examples. Test your knowledge with a low-stakes quiz and an exit ticket to reinforce your learning.

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Understanding Atoms, Elements, and Compounds in Chemistry

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  1. Atoms, Elements and Compounds Foundation

  2. LOW STAKES QUIZ •You now need to do the low stakes quiz on Google Forms that goes with this lesson

  3. Learning Objectives •To describe atoms, elements and compounds. •To identify atoms, elements and compounds.

  4. Atoms • INPUT: •All substances are made of atoms. •Atoms are the smallest part of an element that exists and still behaves like the element. •Atoms are absolutely tiny •One tablespoon of water contains around 1 500 000 000 000 000 000 000 000 atoms.

  5. Elements • INPUT: Elements are substances made up of only one type of atom.

  6. Elements • INPUT: •There are currently 118 different types of atom that exist. •They are listed on the Periodic Table. •Of these only 92 occur naturally on Earth.

  7. Compounds • INPUT: •Compounds are substances made up of more than one type of atom and they are chemically bonded together

  8. Mixtures • INPUT: •Mixtures are substances made up of more than one type of atom, but they are not chemically bonded together •The substances can be elements or compounds or a combination of both

  9. Elements and Compounds FLUENCY: •Match the word to the definition word definition made up of more than one type of atom chemically bonded together Atom 1 A More than one type of substance not chemically joined together Compound 2 B smallest part of an element that exists and still behaves like the element. Element 3 C substances made up of only one type of atom. Mixture 4 D

  10. Elements and Compounds FLUENCY: •Match the word to the definition word definition smallest part of an element that exists and still behaves like the element. made up of more than one type of atom chemically bonded together Atom 3 A Compound 1 B substances made up of only one type of atom. Element 4 C More than one type of substance not chemically joined together Mixture 2 D

  11. Elements and compounds FLUENCY: • Match the picture to the word Element Compound Mixture

  12. Elements and compounds FLUENCY: • Match the picture to the word Element: A, B, I Compound: C, D, G Mixture: E, F, H

  13. Formula INPUT: •The formula of a compound tells you which elements are in the compound and how many atoms of each element there is. •Each element has its own symbol, either one or two letters; these are shown on the Periodic Table. •The first letter is always a capital letter (if there is a second letter in the symbol it has to be lower case)

  14. Formula INPUT: •Eg CO2 carbon dioxide •Two elements: C – carbon O - oxygen •One atom of C •Two atoms of O

  15. Formula Fluency: Name each element and how many atoms of each element are in each of the substances above • Ammonia (NH3) • Water (H2O) • Sulfuric Acid (H2SO4) •

  16. Formula Fluency: Name each element and how many atoms of each element are in each of the substances above • Ammonia (NH3) N- nitrogen one atom, H- hydrogen 3 atoms • Water (H2O) H – hydrogen 2 atoms, O – oxygen one atom • Sulfuric Acid (H2SO4) H – hydrogen 2 atoms, S – sulphur one atom O – oxygen 4 atoms •

  17. Elements and Compounds FLUENCY:

  18. Elements and Compounds FLUENCY: 1. 2. 3. 4. 5. 6. 7. 8. 9. One More than one More than one False True 118 Periodic table Any off the periodic table Water, carbon dioxide etc

  19. EXIT TICKET •You now need to do the exit ticket task on Google Forms that goes with this lesson

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