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[Show more]Sometimes, atoms gain or lose particles. The loss of which of the following would result in a 
change of overall electrical charge? - protons or electrons 
For an atom that is NOT an ion, which of the following must be TRUE? - The number of 
electrons equals the number of protons. 
Which of the foll...
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Add to cartSometimes, atoms gain or lose particles. The loss of which of the following would result in a 
change of overall electrical charge? - protons or electrons 
For an atom that is NOT an ion, which of the following must be TRUE? - The number of 
electrons equals the number of protons. 
Which of the foll...
Suppose that in humans the ability to roll the tongue (R) is dominant to being unable to roll it (r). 
Having freckles (F) is dominant to having no freckles (f). A freckled tongue-roller could have 
which genotypes?Select all that apply. 
RRFF 
RrFf 
RRff and RrFf only 
All of these choices are corr...
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Add to cartSuppose that in humans the ability to roll the tongue (R) is dominant to being unable to roll it (r). 
Having freckles (F) is dominant to having no freckles (f). A freckled tongue-roller could have 
which genotypes?Select all that apply. 
RRFF 
RrFf 
RRff and RrFf only 
All of these choices are corr...
hydrophilic - water loving 
hydrophobic - Water fearing 
Hydrophobic compounds are ________. - nonpolar 
Hydrophilic compounds are__________. - polar 
the hydrophobic effect - the exclusion of nonpolar molecules by polar molecules, which 
drives biological processes such as the formation of cell mem...
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Add to carthydrophilic - water loving 
hydrophobic - Water fearing 
Hydrophobic compounds are ________. - nonpolar 
Hydrophilic compounds are__________. - polar 
the hydrophobic effect - the exclusion of nonpolar molecules by polar molecules, which 
drives biological processes such as the formation of cell mem...
Which of the elements listed below requires two additional electrons to fill the outermost 
electron shell? - Oxygen 
The difference between an acid and a base is that an acid _______, whereas a base _______. - 
releases H+ ions in solution; accepts H+ ions 
Which characteristic of water contributes...
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Add to cartWhich of the elements listed below requires two additional electrons to fill the outermost 
electron shell? - Oxygen 
The difference between an acid and a base is that an acid _______, whereas a base _______. - 
releases H+ ions in solution; accepts H+ ions 
Which characteristic of water contributes...
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