Water interacts with polar substances like –oh groups but not with non-polar substances like methyl (-ch3) or ethyl groups (-ch2). using this information, select the molecules that will easily dissolve in water based on polarity not on size. check all that apply.
ch4
ch3oh
ch3 ch3
ch3 ch2 ch2 oh
ch3 ch2 ch2 ch2 ch2 ch3

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.