100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
AP Bio-Exam 2 Questions and Answers $9.89   Add to cart
Quickly navigate to
Preview
  2.  
  3. AP Biology
  4.  
  5. AP Biology

Exam (elaborations)

AP Bio-Exam 2 Questions and Answers

 2 views  0 purchase
  • Course
  • AP Biology
  • Institution
  • AP Biology

AP Bio-Exam 2 Questions and Answers The four most common elements in living organisms include all except: a. hydrogen b. nitrogen c. sodium d. carbon e. oxygen c. sodium Which of the following statements best describes a compound? a. A compound is a pure element. b. A compound contain...

[Show more]

Preview 2 out of 8  pages

Document information

  • May 7, 2024
  • 8
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ap bio exam 2 questions and answers the four most

Written for

  • AP Biology
All documents for this subject (953)

Seller

avatar-seller
LectAziim

Reviews received

Content preview

AP Bio-Exam 2 Questions and Answers
The four most common elements in living organisms include all except:
a. hydrogen
b. nitrogen
c. sodium
d. carbon
e. oxygen
c. sodium


Which of the following statements best describes a compound?
a. A compound is a pure element.
b. A compound contains two or more different elements in a fixed ratio.
c. A compound is exemplified by sodium.
d. A compound is a solution
b. A compound contains two or more different elements in a fixed ratio.



The atomic number of an element is determined by the number of:
a. electrons
b. protons
c. neutrons
d. ions
b. protons


When full, the innermost electron shell of neon (atomic number = 10) contains ________ electrons,
and the outermost shell contains ________ electrons.
a. 2 . . . 8
b. 8 . . . 2
c. 5 . . . 5
d. 0 . . . 10
a. 2 . . . 8


A covalent bond is made when atoms:
a. donate electrons
b. take electrons
c. share electrons
d. share protons
e. explode
c. share electrons


What change is occurring in this figure?
a. Chlorine is losing an electron.
b. Sodium is becoming negatively charged.
c. Sodium is filling its third electron shell.
d. Chlorine is filling its third electron shell.
d. Chlorine is filling its third electron shell.


In a water molecule, hydrogen and oxygen are held together by a ________ bond ( be careful!).
a. double covalent
b. nonpolar covalent

, c. polar covalent
d. hydrogen
c. polar covalent


In the equation 2 H2 + O2 → 2 H2O, the H2 and O2 molecules are ________ and the H2O molecules
are ________.
a. reactants . . . products
b. products . . . reactants
c. created . . . destroyed
d. used . . . stored
a. reactants . . . products


The hydrogen bonds shown in this figure are each
a. between two hydrogen atoms.
b. between an oxygen and a hydrogen atom of the same water molecule.
c. between an oxygen and a hydrogen atom of different water molecules.
d. between two atoms with the same charge.
c. between an oxygen and a hydrogen atom of different water molecules.


True or False: A solution of pH 2 is 100 times more acidic than a solution of pH 4.
a. True
b. False
a. True


Water's surface tension and heat storage capacity is accounted for by its
a. orbitals
b. hydrogen bonds
c. mass
d. size
b. hydrogen bonds


We have an expert-written solution to this problem!
Which of the following statements regarding carbon is false?
a. carbon has a tendency to form covalent bonds
b. carbon has the ability to bond with up to six other atoms
c. carbon has the capacity to form single and double bonds
d. carbon has the ability to bond together to form branched, or unbranched "carbon skeletons"
b. carbon has the ability to bond with up to six other atoms


All alcohols have what kind of functional group?
a. hydroxyl
b. carbonyl
c. amino acid
d. carboxyl
e. phosphate
a. hydroxyl


Which of the following is an amino group?
a. -OH
b. -NH2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller LectAziim. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.89. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

76658 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$9.89
  • (0)
  Add to cart