Respuesta :
Answer:
Lavoisier; Newlands; Moseley
Explanation:
In 1789, Antoine Lavoisier grouped the elements into gases, nonmetals, metals, and earths.
In 1865, John Newlands developed the Law of Octaves. He stated that "any given element will exhibit analogous behaviour to the eighth element following it in the table."
In 1914, Henry Moseley found a correlation between the X-ray wavelength of an element and its atomic number. He was then able to restructure the periodic table according to atomic numbers.
Organized elements into four groups based on properties: Antoine Lavoisier.
Developed the law of octaves: John Newlands.
Arranged elements by atomic number: Henry Moseley.
A periodic table can be defined as an organized tabular array of all the chemical elements, which is typically arranged in order of increasing atomic number or number of protons (in rows).
Antoine Lavoisier in 1789, organized the chemical elements into four groups such as:
- gases.
- nonmetals.
- metals.
- earth metals
Developed the law of octaves: John Newlands.
Arranged elements by atomic number: Henry Moseley.
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