Periodic Table, Changes, & Properties
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the 2 most abundant elements in the Earth's Crust? | Oxygen & Silicon
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| What are the 2 most abundant elements in the Atmosphere? | Nitrogen & Oxygen
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| What are the 2 most abundant elements in the Human Body? | Oxygen & Carbon
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| What are the majority of elements on the Periodic Table? 75% of it? | Metals
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| What is a metalloid? | A mixture of properties of a metal & nonmetals
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| What is a chemical change? | A change which the substance is an entirely new one, and occurs with a chemical reaction.
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| What is a physical change? | A change which the substance's appearance changed and it is chemically the same thing.
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| What are the 5 indicators of a chemical change? | -Color Change -Heat is absorbed -Gas produced
-Light or Heat produced -Solid participate
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| Is boiling a chemical or physical change? Why? | Physical, because it is a change in state.
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| What elements make up H2O? | Hydrogen & Oxygen
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| How many Elements are in this substance? H9AuW3 | 3 elements
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| Is CO2 an element or compound? | Compound
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Created by:
GuguLara
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