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OpenStudy (anonymous):
help.... What is the atomic number of the first element to start filling a d sublevel? 37 39 21 19
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OpenStudy (ookawaiioo):
The upper left element in the d-block of the periodic table
OpenStudy (anonymous):
i don't know what u mean....
OpenStudy (ookawaiioo):
Its the big yellow block. The answer is Sc
OpenStudy (anonymous):
how did u know that it is Sc.....
OpenStudy (ookawaiioo):
because its in the D-block
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OpenStudy (anonymous):
ok thank for the help..:)
OpenStudy (ookawaiioo):
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