Question

periodic table number 42

Answer 1

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Answer 2

Name, symbol, number molybdenum, Mo, 42
Pronunciation /ˌmɒlɪbˈdiːnəm/ mol-ib-dee-nəm
or /məˈlɪbdɪnəm/ mə-lib-di-nəm
Element category transition metal
Group, period, block 6, 5, d
Standard atomic weight 95.96(1)
Electron configuration [Kr] 5s1 4d5
Electrons per shell 2, 8, 18, 13, 1 (Image)
http://en.wikipedia.org/wiki/Molybdenum