The basic structural unit of matter; smallest particle of an element that can enter into a reaction
The average mass of atoms of an element
A shorthand notation to describe elements and their reactions
A homogeneous, pure substance composed of two or more essentially different elements that are chemically combined
A collection of atoms of one type that cannot be decomposed into any simpler units except by spontaneously changing into other units by radioactive processes
A grouping of elements based on similar chemical properties
The smallest particle of an element or compound that displays the properties of the substance in quantity
A specific result of a test with a chemical reagent.
A blending of two or more substances without chemical bonding or other chemical change,
The relationship between the mass and volume of a subtance.
This occurs when a substance changes its state or when a materialis broken into smaller pieces or combined into larger ones
Information gathered using the 5 senses
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