In the structure below, the sigma bond of the carbonyl is formed from the overlap of a(n) ________ atomic orbital of carbon and a(n) ________ atomic orbital of oxygen. 
Definitions:
Data Macro
A feature in database software that allows for the automation of tasks such as data validation or notifications when data is changed.
Embed Macro
A method to insert a small program or script into a document or application that can automate tasks or add functionality.
Action Block
In programming, a section of code designed to perform a specific action or set of actions when executed.
Gray Background
A neutral, mid-tone background color often used in software applications and websites to reduce eye strain and make other colors stand out.
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