Answer:
Selenium atoms have 34 electrons and the shell structure is 2.8. 18.6. The ground state electron configuration of ground state gaseous neutral selenium is [Ar].
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<span>Question 12 options:
NO CHANGE
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Answer:
Both reactivity and electronegativity decrease down a group.
I'm assuming this is multiple choice...
Explanation:
Through data warehousing historical data that can be easily retrieved and analyzed to help improve the organization's operations.
Data warehousing is an electronic representation of information. It refers to organizing, analyzing, and reporting information electronically.
Organizations use data warehousing to store their information electronically so that historical data that can be easily retrieved and analyzed to help improve the organization's operations.
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A) Frederick Griffith
B) Alfred Hershey and Martha Chase
C) Oswald Avery, Maclyn McCarty, and Colin MacLeod