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CHEMICAL INTERACTIONS INVESTIGATION 2: ELEMENTS. KEY CONCEPTS AN ELEMENT IS A BASIC SUBSTANCE THAT CANNOT BE BROKEN INTO SIMPLER SUBSTANCES DURING CHEMICAL.

Published byLoraine Edwards Modified over 9 years ago

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Presentation on theme: "CHEMICAL INTERACTIONS INVESTIGATION 2: ELEMENTS. KEY CONCEPTS AN ELEMENT IS A BASIC SUBSTANCE THAT CANNOT BE BROKEN INTO SIMPLER SUBSTANCES DURING CHEMICAL."— Presentation transcript:

1 CHEMICAL INTERACTIONS INVESTIGATION 2: ELEMENTS

2 KEY CONCEPTS AN ELEMENT IS A BASIC SUBSTANCE THAT CANNOT BE BROKEN INTO SIMPLER SUBSTANCES DURING CHEMICAL INTERACTIONS. GOLD = Au THERE ARE 90 NATURALLY OCCURRING ELEMENTS ON EARTH. ELEMENTS COMBINE TO MAKE ALL THE SUBSTANCES ON EARTH EACH ELEMENT HAS A NAME AND REPRESENTED BY A 1 OR 2 LETTER SYMBOL

3 KEY CONCEPTS DIFFERENT LOCATIONS IN THE UNIVERSE HAVE DIFFERENT AMOUNTS OF ELEMENTS (EARTH HAS A LOT!) ELEMENTS COMBINE TO MAKE ALL THE SUBSTANCES ON EARTH ALL COMMON MATTER IS MADE OF ELEMENTS

4 KEY CONCEPTS THE PERIODIC TABLE OF THE ELEMENTS DISPLAYS ALL THE NATURALLY OCCURRING AND SYNTHESIZED ELEMENTS. EACH BOX HAS A DIFFERENT ELEMENT. ELEMENTS ARE THE BUILDING BLOCKS OF MATTER. EVERYTHING ON EARTH THAT HAS MASS & TAKES UP SPACE IS MADE OF COMBINATIONS OF ELEMENTS.

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