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scientists compare them by the properties of matter .
Classifying chemicals by their chemical properties, like their chemical functions, or the way they react chemically, allows them to be grouped together according to their functions.
Chefs need to know physical and chemical properties in the kitchen, so they will know what will happen to different substances when they are heated, cooled, etc. Also, they need to know so they are able to tell the difference between the properties. Physical properties can return to their natural state (water freezing to ice, then ice melting back to water). However, chemical properties cannot be changed back once they are changed (a raw egg is changed when cooked, but you cannot un-cook an egg)
it changes chemical properties
Minerals are classified by chemical formula, composition, physical properties, optical properties, and special properties. The Dana Classification System is a chemical classification for minerals, and the Strunz Classification System (chemical-structural) are two systems designed for mineral classification.
Scientists study stellar spectra to learn about their properties such as temperature, chemical composition and relative chemical abundances, radial velocity, rotational speed etc.
scientists compare them by the properties of matter .
think it yourself
Classifying chemicals by their chemical properties, like their chemical functions, or the way they react chemically, allows them to be grouped together according to their functions.
Scientist identify minerals by Their Special properties. An example of a special propertie is a Chemical Reaction .
by adding the rate
The chemical properties of calcium are most similar to (in between) the chemical properties of magnesium and strontium.
The repeating pattern of elements of their properties is called periodicity. Elements are arranged according to same chemical properties.
Chefs need to know physical and chemical properties in the kitchen, so they will know what will happen to different substances when they are heated, cooled, etc. Also, they need to know so they are able to tell the difference between the properties. Physical properties can return to their natural state (water freezing to ice, then ice melting back to water). However, chemical properties cannot be changed back once they are changed (a raw egg is changed when cooked, but you cannot un-cook an egg)
He classified the elements according to their chemical properties.
The Periodic Table
The Periodic Table