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Flashcards - Basic Principles of Matter & Energy

Flashcards - Basic Principles of Matter & Energy
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proton
A proton is a subatomic particle, symbol p or p+, with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron
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element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
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atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element
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solid
Solid is one of the four fundamental states of matter
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9 cards in set
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solid
Solid is one of the four fundamental states of matter
atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element
element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
proton
A proton is a subatomic particle, symbol p or p+, with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron
compound
A chemical compound is an entity consisting of two or more atoms, at least two from different elements, which associate via chemical bonds
mixture
In chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically
molecule
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds
atomic nucleus
The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment
neutron
The neutron is a subatomic particle, symbol n or n0, with no net electric charge and a mass slightly larger than that of a proton

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