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Which Element in Group 6A Is Not Found in Compounds

question 125

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Which element in group 6A is not found in compounds with an expanded valence shell?


Definitions:

Active Transport

The movement of substances across cell membranes against a concentration gradient, requiring energy expenditure by the cell.

Cryptocurrency

A digital or virtual currency that uses cryptography for secure financial transactions, and operates independently of a central bank.

Public Ledger

A ledger available to the public that records all transactions in a network, commonly associated with blockchain technology.

Codec

A device or program that compresses data to enable faster transmission and decompresses received data.

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