Question 4 of 32
What is the most likely way a chemist would be involved in the production of
a computer chip?
O A. By marketing the computer chip to companies that make
electronic devices
B. By building new equipment that can make the parts of a computer
chip smaller
C. By testing the computer chip to make sure it does not have any
defects
D. By developing reactions that are used to make the designschen the
computer chip
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Ответ:
the 4s subshell in the third row of periodic table only fills first in the case of K and Ca atoms. However, the 3d subshell in transition metals and the main group elements after them is more stable than 4s and so fills first. Thus there is no scientific reason to write the electron configuration of transition elements as [Ar] 4s 3d and the correct form is [Ar] 3d 4s.
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Explanation: