Exam (elaborations)
Bio 1404 Exam 1 Jaffe Questions & Answers 100% Solved
- Course
- Institution
Bio 1404 Exam 1 Jaffe Questions & Answers 100% Solved
[Show more]
Content preview
Bio 1404 Exam 1 Jaffe Questions & Answers 100%Solved
An atom has 6 electrons in its outer shell. How many unpair electrons does it have?
Correct Ans-2
Which of the following statements is true about buffer solutions? Correct Ans-They
maintain a relatively constant pH when either acids or bases are added to them
A solution contains 0.0000001(10^-7) moles of hydroxide ions (OH-) per liter. Which of the
following best describes this solution? Correct Ans-Neutral
In the figure above, how many electrons does nitrogen have in its valence shell? Correct
Ans-5
In the figure above, how many unpaired electrons does phosphorus have in its valence shell?
Correct Ans-3
A covalent bond is likely to be polar when Correct Ans-one of the atoms sharing electrons
is much more electronegative than the other atom
, Bio 1404 Exam 1 Jaffe Questions & Answers 100%
Solved
Fluorine has an atomic number of 9 and a mass number of 19. How many electrons are
needed to complete the valence shell of a fluorine atom? Correct Ans-1
What is the name of the functional group shown in the figure below? Correct Ans-Carboxyl
Which drawing in the figure above depicts the electron configuration of an atom that can
form covalent bonds with two hydrogen atoms? Correct Ans-C. ( the image that only has
two single electrons in the outer most shell )
Electrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient
energy, a possible result is that Correct Ans-An electron may move to an electron shell
farther away from the nucleus
Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to
one galactose molecule. How is lactose classified? Correct Ans-Disaccharide
Which of the following would be regarded as compounds? Correct Ans-H2O and CH4, but
no O2
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 GOLDTUTORS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now