Name the first person to classify elements. / सबसे पहले तत्वों का वर्गीकरण किसने किया?
Verified Answer
A. Lother Meyer/लोथर मेयर
B. Newland/न्यूलैण्ड
C. Mendeleev/मैंडलीव
D. Dobereiner/डोबरइनेर
Explanation:
Dobereiner proposed the Law of Triads (1817), the earliest classification; Newlands, Mendeleev, Meyer followed later with more comprehensive systems.