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IB Biology – Water Final Exam Study Guide. $11.49   Add to cart

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IB Biology – Water Final Exam Study Guide.

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IB Biology – Water Final Exam Study Guide. A chemical bond is formed through - CORRECT ANSWER gaining, losing, or sharing electrons Ion - CORRECT ANSWER A charged atom which gained or lost electrons ionic bond - CORRECT ANSWER A chemical bond resulting from the attraction between oppos...

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  • September 18, 2024
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  • 2024/2025
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IB Biology – Water Final Exam Study
Guide.

A chemical bond is formed through - CORRECT ANSWER gaining, losing, or sharing electrons



Ion - CORRECT ANSWER A charged atom which gained or lost electrons



ionic bond - CORRECT ANSWER A chemical bond resulting from the attraction between oppositely
charged ions.



covalent bond - CORRECT ANSWER A chemical bond formed when two or more atoms share electrons



non-polar molecule - CORRECT ANSWER molecule that shares electrons equally and does not have
oppositely charged ends



polar molecule - CORRECT ANSWER a molecule in which one side of the molecule is slightly negative and
the opposite side is slightly positive



Oxygen atom - CORRECT ANSWER atomic number - 8 - protons and electrons

mass number - 16

neutrons - 16-8 = 8



Water is important because - CORRECT ANSWER • It allows chemical reactions to occur inside living
organisms

• Ice floats

• Requires a lot of heat to melt (hydrogen bonds)

• Surface tension/cohesion

- most organisms have high water content

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