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GROUNDWATER CHEMISTRY EXAM WITH COMPLETE SOLUTIONS 100% VERIFIED LATEST UPDATE!!

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GROUNDWATER CHEMISTRY EXAM WITH COMPLETE SOLUTIONS 100% VERIFIED LATEST UPDATE!!

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GROUNDWATER
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GROUNDWATER

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GROUNDWATER CHEMISTRY EXAM WITH COMPLETE SOLUTIONS 100% VERIFIED
LATEST UPDATE!!


What are the 3 main type of chemical bonds? - (ANSWER)1) Covalent bonds

2) Ionic bonds

3) Hydrogen bonds



What is a covalent bond? - (ANSWER)A bond where atoms share electrons



What is a non polar covalent bond? - (ANSWER)A bond where electrons are shared equally



What is a polar covalent bond? - (ANSWER)A bond where electrons are shared unequally, creating
partial charges.



What is an ionic bond? - (ANSWER)A bond is formed when one atom transfers electrons to another



Cation vs anion - (ANSWER)Cation: one atom loses an electron and becomes positively charged



Anion: another atom gains an electron and becomes negatively charged



What is a hydrogen bond? - (ANSWER)A WEAK attraction between:

- a partial positive hydrogen attached to a polar bond

- a partial negative atom, like N or O



Why do different molecules have different shapes? - (ANSWER)VSPER theory: Electron pairs around
atoms REPEL each other, arranging themselves in specific shapes



How does molecular shape affect function? - (ANSWER)Shape determines:

- how molecules interact

- how they recognize each other



Shape = function

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