I believe it is a solution but I am not Shure
7. true
8. false
9.being able to live in and out of water (i cannot think of another one, sorry)
10. genes (again, i do not know the other one)
11. not sure
12. not sure
i am so sorry this is all i could give you. other people please tell them the other answers
Answer:
It has 4 valence electrons
2,2-dichloroheptane because we have two Cl we should use the prefix ''di'' and the numbers "2" and "2" indicated that the two functional groups are located on the same second carbon
it small because that bond is not very polar notice that all of those arrows they cancel. because they point in opposite directions. that's why BH 3 is nonpolar if we were to draw the Lewis structure of bf3. ... so even though the boron fluorine bond is polar the molecule as a whole is nonpolar.
