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bio exam 1 review

QuestionAnswer
A cation forms when an atom ____ electrons. loses
An anion forms when an atom ____ electrons. gains
An ionic bond involves the __________ of electrons and attraction between oppositely charged ions. transfer
Oxygen is more __________ than hydrogen electronegative
Hydrophobic substances are usually __________ nonpolar
Hydrophilic substances are usually _________ polar
how does hydrocarbon behave in water? hydrophobic
how does sugar behave in water? hydrophillic
how do ions behave in water? hydrophillic
how does methyl group behave in water? hydrophobic
how does hydroxyl group behave in water? hydrophillic
Water dissolves many ionic compounds because water is __________ polar
When an ionic compound dissolves, the crystal __________ into ions dissociates
Water molecules surround dissolved ions through __________ interactions electrostatic/charge-based
Molarity (M) = moles of solute ÷ liters of __________ solution
To calculate moles from molarity, use moles = __________ × volume in liters. molarity
To prepare a solution in grams, first determine the desired number of __________, Then determine the compound’s __________ mass, daltons, molar
Relative H₃O⁺ acidic: high; neutral : low basic: high
Relative OH⁻ acidic: equal neutral: low basic: high
pH = −log[__________ ]. H₃O⁺
A solution with pH below 7 is __________ acidic
A solution with pH above 7 is _________ basic
A one-unit change in pH represents a factor of __________ in H₃O⁺ concentration. 10
If H₃O⁺ decreases, OH⁻ generally __________ and pH __________ decreases; increases
Hydrocarbons are generally __________ and hydrophobic nonpolar
A carbon attached to four different groups is often a __________ center chiral
characteristics of hydroxyl water soluable
characteristics of carbonyl water soluable
characteristics of carboxyl acid
characteristics of amine base
characteristics of sulfhydrate forms proteins ; acids
characteristics of methyl hydrophobic
A base __________ a proton, while an acid __________ a proton. accepts: donates
ATP has ____ groups 3
ADP has ____ groups 2
Created by: jlaster2516
 

 



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