Who started the development of the First Periodic Table?
Correct answer: B. Dimitri Mendeleev
- A. Antoine Bequerel
- B. Dimitri Mendeleev
- C. Robert Boyle
- D. John Newlands
Explanation
Dimitri Mendeleev is considered the father of the periodic table. He developed the first modern periodic table in 1869, which organized the known elements at the time based on their chemical properties and atomic weights.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
Practise s-Block and p-Block Elements
1,359 free s-Block and p-Block Elements MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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