Chemistry - Compounds

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  • Created by: Qian Ru
  • Created on: 06-09-13 04:31
Name a characteristic of a compound.
Compounds are formed by elements in fixed proportions.
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Name a characteristic of a compound.
Energy in the form of heat and/or light is usually given out when compounds are formed.
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State one difference between an element and a compound.
An element is the simplest form of matter while a compound consists of two or more different types of elements chemically combined together.
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State one difference between an element and a compound.
An element only contains one type of atom while a compound contains two or more different types of atoms.
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State one difference between an element and a compound.
An element cannot be decomposed by chemical means into simpler substances while a compound can be decomposed into simpler substances by chemical means.
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What is a diatomic molecule?
A diatomic molecule is a molecule with two atoms chemically combined together.
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What is a molecule?
A molecule is made up of two or more atoms chemically combined together. It is only made up of non-metallic elements only. It can be made up of same or different elements.
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State one way a compound is formed.
Compounds are formed when elements combined chemically.
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State one way a compound is formed.
Compounds are formed when elements and compounds combine chemically.
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State one way a compound is formed.
Compounds are formed when compounds combine chemically.
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What are word equations?
Word equations represents chemical reactions that take place. Hence, word equations can tell us what substances are reactants (elements or compounds) and what substances are products (compounds)
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Other cards in this set

Card 2

Front

Name a characteristic of a compound.

Back

Energy in the form of heat and/or light is usually given out when compounds are formed.

Card 3

Front

State one difference between an element and a compound.

Back

Preview of the front of card 3

Card 4

Front

State one difference between an element and a compound.

Back

Preview of the front of card 4

Card 5

Front

State one difference between an element and a compound.

Back

Preview of the front of card 5
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