Question

What is the correct chronological order of scientists contributing to the modern periodic table? Lavoisier, Newlands, Moseley, Dobereiner, and Mendeleev Lavoisier, Dobereiner, Newlands, Mendeleev, and Moseley Moseley, Mendeleev, Newlands, Dobereiner, and Lavoisier

Answer 1

Answer:

Number 2

Explanation:

From edge

Answer 2

Answer: The correct order is :

Lavoisier, Dobereiner, Newlands, Mendeleev, and Moseley

Explanation:

In 1789, the Lavoisier given the periodic table distribution by placing the elements into two groups of metals and non metals.

In 1817, the Dobereiner attempted to classify elements in a periodic table by placing them group of three with similar chemical and physical properties. these groups were named as triads .

In 1864 , the Newlands classified total 62 elements into eight groups  according to their respective physical properties. And were also known as Law of Octaves.

In 1869, the Mendeleev classified the periodic table on the basis of atomic mass. In which elements were arranged in increasing order of their atomic masses.

In 1913,  Moseley classified the periodic table on the basis of increasing  number of protons in the elements.