Matter and its Properties
Basic Building Blocks of Matter
The fundamental building blocks of study are atoms and molecules. These agnise up elements and compounds. An atom is the smallest unit of an element that maintains the properties of that element. And element is a pure contentedness made of only one change of atom. A compound is the substance that is made from the atoms of two or more elements that are chemically bonded. Water is an example of a compound because it is one of many compounds that consist of molecules. The hydrogen and type O molecules are chemically bonded to form a water molecule.
Properties and Changes in Matter
Every substance, whether an element or compound, has characteristic properties. Chemists use these properties to distinguish opposite substances and then use their knowledge of characteristics to separate them.
A seat whitethorn be a characteristic that set ups an entire group of substances. That property can be used to classify an unknown substance within that group. For example, are large groups of elements is metals. The property that sets than apart from anything else is that they acquit electricity well. Therefore, if scientists find an unknown element, and test it for electricity conduction, and it turns bug out to conduct electricity well, it is, in fact, a metal.
Properties also define subgroups or substances.
And can also help to reveal the identicalness of an unknown substance. However, identification usually cannot be made ground on only one property. Comparisons of several properties can be used to determine the identity of an unknown. Properties are either intense or extensive. An extensive property depends on the inwardness of matter that is present. These properties include volume, mass, and the amount of energy in a verbalise substance. Intensive properties, however, do not depend on the amount of...
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