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Definition
Smallest particles of matter. |
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Definition
The idea that matter is made of fundamental particles. |
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Term
Law of definite Proportions |
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Definition
Elements that composed the compounds were always in a certain proportions. |
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Definition
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Term
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Definition
An investigation with a control designed to test a hypothesis. |
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Term
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Definition
An explanation based on many observations and supported by the results of many investigations. |
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Term
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Definition
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses. |
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Term
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Definition
A fact of nature that is observed so often that it becomes accepted as truth. (Example: the sun rises in the east each morning is a law of nature) |
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Term
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Definition
Negatively charged particles |
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Term
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Definition
Positively charged particles |
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Term
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Definition
Atoms of an element that are chemically alike but differ in mass. |
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Term
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Definition
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Term
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Definition
Positively charged central core |
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Term
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Definition
The number of protons in the nucleus of an atom of that element. |
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Term
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Definition
The sum of protons and neutros in the nucleus. |
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Term
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Definition
u -apparently the approximately the mass of a single proton or neutron. |
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Term
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Definition
Smallest particles of matter. |
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Term
|
Definition
The idea that matter is made of fundamental particles. |
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Term
Law of definite Proportions |
|
Definition
Elements that composed the compounds were always in a certain proportions. |
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|
Term
|
Definition
|
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Term
|
Definition
An investigation with a control designed to test a hypothesis. |
|
|
Term
|
Definition
An explanation based on many observations and supported by the results of many investigations. |
|
|
Term
|
Definition
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses. |
|
|
Term
|
Definition
A fact of nature that is observed so often that it becomes accepted as truth. (Example: the sun rises in the east each morning is a law of nature) |
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Term
|
Definition
Negatively charged particles |
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Term
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Definition
Positively charged particles |
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Term
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Definition
Atoms of an element that are chemically alike but differ in mass. |
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Term
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Definition
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Term
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Definition
Positively charged central core |
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Term
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Definition
The number of protons in the nucleus of an atom of that element. |
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Term
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Definition
The sum of protons and neutros in the nucleus. |
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Term
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Definition
u -apparently the approximately the mass of a single proton or neutron. |
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Term
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Definition
the range of wavelengths or frequencies over which electromagnetic radiation extends. |
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Term
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Definition
The spectrum of light released from excited atoms of an element |
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Term
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Definition
These regions of space in which electrons can move about the nucleus of an atom. |
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Term
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Definition
The space around the nucleus of an atom where the atom's electrons are most likely to be found. |
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Term
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Definition
The electrons in the outermost energy level |
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Term
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Definition
Illustrates valence electrons as dots around the chemical symbol of an element. |
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