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24 Cards in this Set
- Front
- Back
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What is the difference in composition between a compound and mixture? |
Compound: fixed composition Mixture: not fixed composition |
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What is the difference in properties between compound and mixture? |
Compound: has its own set of properties, different from its constituent elements Mixture: similar properties of its constituent elements |
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What is the difference in melting point and boiling point between compound and mixture? |
Compound: fixed melting points and boiling point Mixture: boils over a range of temperatures |
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What is the difference in separation between compound and mixtures |
Compound: cannot be broken down into simpler substances by physical means Mixture: easily separated into substances by physical means |
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What is the difference in preparation between a compound and mixture? |
Compound: A chemical reaction takes place .heat is often produce Mixture: no chemical reaction |
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What is an element? |
an element is a substance that cannot be broken down into simpler substances by ordinary chemical methods |
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What is an element? |
an element is a substance that cannot be broken down into simpler substances by ordinary chemical methods |
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What is matter made up of? |
it is made up with tiny particles called atoms |
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What is an element? |
an element is a substance that cannot be broken down into simpler substances by ordinary chemical methods |
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What is matter made up of? |
it is made up with tiny particles called atoms |
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What is an atom? |
an atom is the smallest particle of any element |
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What is an element? |
an element is a substance that cannot be broken down into simpler substances by ordinary chemical methods |
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What is matter made up of? |
it is made up with tiny particles called atoms |
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What is an atom? |
an atom is the smallest particle of any element |
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What is the difference between and physical change and an element change? |
Physical: No new substance is formed . These changes are easily reversed Chemical change: A new substance is formed. The new substance has new properties .Heat is usually produced |
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What is a compound? |
A compound is a substance containing two or more elements joined together by a chemical reaction. A compound has very different properties from its constituent elements |
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What is a compound? |
A compound is a substance containing two or more elements joined together by a chemical reaction. A compound has very different properties from its constituent elements |
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What is a mixture? |
A mixture is whereby The atoms of the elements are not join together. |
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Using the KPT, what is the forces of attraction between particles of a solid? |
The forces of attraction between particles of a solid are very strong |
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Using the KPT, what is the forces of attraction between particles of a solid? |
The forces of attraction between particles of a solid are very strong |
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Using the KPT, what is the forces of attraction in a liquid? |
The forces of attraction between particles of a liquid is strong but weaker than those in a solid. |
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Using the KPT, what is the forces of attraction between particles of a solid? |
The forces of attraction between particles of a solid are very strong |
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Using the KPT, what is the forces of attraction in a liquid? |
The forces of attraction between particles of a liquid is strong but weaker than those in a solid. |
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using the KPT what are the forces of attraction between particles of gases? |
forces of attraction between particles of gas is very weak |
