Biology Help?

Question

#1). Ocean water contains a greater concentration of salt than living cells. Ocean water is therefore a(n) ___ solution to living cells such as the freshwater ameba.

#2.) Potassium has an atomic# of 19; how many electrons does each potassium atom have in its outer energy level?

#3.) Potassium has an atomic# of 19 & has 20 neutrons. What is potassium's atomic mass?

#4.) Process that unites 2 simple organic molecules to form a more complex organic molecule by the removal of water.

#5.) What quantity do we measure if we want to know the gravitational force of attraction between an object & the earth?

#6.) The key element in organic compounds that forms rings & chains.

#7.) The lower the pH of a solution, the greater the concentration of ___ ions.

#8.) The 3rd energy level of atoms can hold 18 electrons, but it is stable with ___.

Answer 1

1)hypotonic
2)1
3)39
4)
5)magnetism
6)nitrogen
7)hydrogen
8)8

Answer 2

1) hypertonic
2) one
3) 39
4) condensation
no idea from 5-8. sorry ):

Answer 3

# 4: Dehydration Synthesis

Answer 4

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