Elements are organized on the. According to their
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Answer:atomicnumber
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Periodic table and atomic number is the correct answer.
- Modern periodic table was designed by Mendeleev in 1869.
- Atomic number also known as proton number states the number of protons in the nucleus.
- Accordingly number of electrons are also known.
- Periodic table consists of seven periods and eighteen groups.
- It is further divided in consisting of metallic elements, transition elements and non metals.
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