Chapter 2 Flashcards

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1
Q

Trace elements

A

Small quantity of 25 essential elements needed for growth development and health
Eg: Fe, Cu, Mn,Ca

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2
Q

Compound

A

A substance consisting of 2 or more different elements

Eg: NaCl

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3
Q

Atoms

A

Small units of matters that makeup everyday Objects eg: sodium

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4
Q

Elements

A

Chemical substances composed of atoms that cannot be broken down by normal chemical means

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