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Improvements in technology, such as the invention of spectroscopy and X-ray crystallography, allowed scientists to better understand the properties of elements and their atomic structures. This knowledge was crucial for organizing the elements into the periodic table based on their atomic number and properties, leading to the periodic table we use today.
Scientists use the periodic table to classify elements based on their properties and atomic characteristics. This table organizes elements by their atomic number, electron configuration, and chemical properties.
punnett square
The elements are arranged in the increasing order of their atomic number and repeating properties.
the properties of a compound are not the same as the elements that form them.
Dmitri Mendeleev
Patterns in the elements’ properties. -Apex
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The properties of the compound will differ from the properties of the elements of which it is made.
The properties of the elements are changed.
In 1869, Dmitri Mendeleev arranged the elements in a periodic table based on their atomic weights and noticed that the properties of the elements appeared at regular intervals. This led him to predict the properties of undiscovered elements and paved the way for the modern periodic table we use today.
he properties of salts are different from the properties of elements that go into making them