12. Below are properties of nonmetals, except-
A. dull
B. good conductors C. poor conductors D. brittle
13. They both came up with periodic table that showed how elements should be grouped
A. Meyer & Mendeleev B. Mosely & Meyer C. Dmitri Mendeleev D. none of them
Answers & Comments
Answer:
D" none of them
Explanation:
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