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Biology 1305 - Final Exam - Harvill Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations $7.99   Add to cart
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Biology 1305 - Final Exam - Harvill Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations
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Biology 1305 - Final Exam - Harvill Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations

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  • November 17, 2024
  • 24
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • biology 1305 final exam harvill
  • biology 1305 final exam harvill exam questions

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Biology 1305 - Final Exam - Harvill !!!
Study online at https://quizlet.com/_ft9cm1

1. element a) smallest chemical unit
b) any substance that cannot be broken down to
any other substance by chemical reactions

2. diatomic elements BrINClHOF

3. compound two or more elements combined

4. atom smallest unit of an element

5. proton a) subatomic particle with a single positive electri-
cal charge
b) found in the nucleus of an atom

6. neutron a) subatomic particle having no electrical charge
b) found in the nucleus of an atom

7. electron a) subatomic particle with a single negative electri-
cal charge
b) one or more electrons move around the nucleus
of an atom

8. atomic number the number of protons equals the
________________

9. mass number protons + neutrons = ________________

10. atomic mass a) total mass of an atom
b) close to, but slightly different from the number of
protons + the number of neutrons of an atom

11. isotope a) different mass number, but same proton num-
ber b) therefore, different number of neutrons and
atomic mass

12. valence shell a) outermost shell involved in bonding
b) gives an atom its chemical properties

13. oribitals where the electrons exist



, Biology 1305 - Final Exam - Harvill !!!
Study online at https://quizlet.com/_ft9cm1
14. ion charged atom with a different number of electrons

15. cation positively charged ion

16. anion negatively charged ion

17. electronegativity a) intrinsic property
b) gives information about electron affinity (how
much an atom wants an electron)
c) tendency to attract an electron

18. covalent bond a) type of strong chemical bond in which two atoms
share one or more pairs of valence electrons
b) between non-metals

19. polar covalent bond a) unequal sharing & partial charges
b) shared electrons are pulled closer to the more
electronegative atom, making it slightly negative &
the other atom slightly positive

example: H20

20. non-polar covalent equal sharing & equal electronegativities
bond
example: CH4 & O2

21. ionic bond a) stealing of electrons & results in ions
b) attraction between oppositely charged ions

22. hydrogen bond hydrogen (H) of one atom bonded to a N, O, F of a
DIFFERENT compound

23. Van Der Waals bond partial charges are attracted to each other & induce
other partial charges

example: gecko

24. 1. covalent order of the bonds from strongest to weakest
2. ionic



, Biology 1305 - Final Exam - Harvill !!!
Study online at https://quizlet.com/_ft9cm1
3. hydrogen
4. Van Der Waals

25. covalent strongest chemical bond

26. Van Der Waals weakest chemical bond

27. polar water is ____________
(this is the source of all of water's properties)

28. cohesion a) hold substances together
b) water hydrogen bonding to itself
c) helps hold together the column of water within
cells

29. adhesion a) water hydrogen bonding to something else
b) helps resist the downward pull of gravity

30. surface tension the hydrogen bonding on the surface is difficult to
break through & allows bugs to walk on water

31. high specific heat a) the amount of heat needed to raise 1g of water
1 degree Celcius
b) happens because of hydrogen bonding
c) moderates air temperatures

Water resists change in temperature unless a large
amount of energy is inputed.

32. high heat of vaporiza- a) the amount of heat required to vaporize 1g of
tion water
b) keeps oceans from evaporating
c) evaporative cooling

liquid ’ gas

33. density of water think of a lake: ice on the top & the densest part
of water is at the bottom (4 degrees) because of
hydrogen bonding

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