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ARC-Challenge / MCAS_2003_8_11 / Copper is an element that is used in electrical wires. What is the smallest unit…

Problem

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question

Copper is an element that is used in electrical wires. What is the smallest unit of copper that still maintains the characteristics of copper?

choices

the atom
the electron
the nucleus
the proton

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Source and history

upstream_id / Original problem ID: MCAS_2003_8_11
task_id: 888107cf-7deb-517c-acbd-74a9320bd535
task_key: ARC~2dChallenge--test--MCAS~5f2003~5f8~5f11
task_revision_id: 2
config / split: ARC-Challenge / test

Official source

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