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
BIOL 1201: Exam 1 Questions and Answers Graded A+ CA$15.94   Add to cart
Quickly navigate to
Preview
  2.  
  3. BIOL 1201:
  4.  
  5. BIOL 1201:

Exam (elaborations)

BIOL 1201: Exam 1 Questions and Answers Graded A+
 9 views  0 purchase
  • Course
  • BIOL 1201:
  • Institution
  • BIOL 1201:

BIOL 1201: Exam 1 Questions and Answers Graded A+ A substance that cannot be broken down into other substances by ordinary chemical procedures is a(n) _____. element Organisms are largely composed of __ elements. 11 About 25 of the 92 natural elements are known to be essential to life....

[Show more]

Preview 4 out of 37  pages

Document information

  • April 20, 2024
  • 37
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • biol 1201 exam 1 questions and answers graded a

Written for

  • BIOL 1201:
  • BIOL 1201:

Seller

avatar-seller
StellarScores

Reviews received

Content preview

BIOL 1201: Exam 1 Questions and Answers Graded A+ A substance that cannot be broken down i nto other substances by ordinary chemical procedures is a(n) _____. ✔✔element Organisms are largely composed of __ elements. ✔✔11 About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? ✔✔carbon, hydrogen, nitrogen, and oxygen What determines solubility? ✔✔"like dissolves like" Atom ✔✔Smallest unit of matter that retains all the properties of that element What is the mass and charge of protons? ✔✔Mass: 1 Dalton Charge: +1 What is the mass and charge of neutrons? ✔✔Mass: 1 Dalton No charge What is the mass and charge of electrons ? ✔✔Mass: close to none (about 1/10000 that of a proton or neutron) Charge: -1 Which subatomic particle(s) always have a positive charg e? ✔✔protons Atomic Number ✔✔equal to the number of protons in an atoms In a neutral atom, the atomic number is equal to... ✔✔the number of protons What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? ✔✔6 From its atomic number of 15, it is possible to predict that phosphorus always has ___. ✔✔15 protons Atomic Mass ✔✔the sum of the number of protons and neutrons in an atom Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fl uorine have? ✔✔10 neutrons An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have? ✔✔5 protons Changing the number of _____ would change an atom into an atom of a different element. ✔✔protons Isotopes ✔✔variants of an atom that have different atomic masses due to differing numbers of neutrons What refers to atoms with the same atomic number but different atomic masses? ✔✔isotopes True or False: An atom with more neutrons than the atom described i n the question above will have a different valence. ✔✔False Where are protons located within an atom? ✔✔the nucleus Where are neutrons located within an atom? ✔✔the nucleus Where are electrons located within an atom? ✔✔orbitals, or shells, around the nu cleus of an atom What are the names of the first three electron orbitals and how many electrons do each of them contain? ✔✔K-shell: 2 electrons L-shell: 8 electrons M-shell: 8 electrons An atom with the atomic number 9 will have _______ electrons in its outermost electron shell. ✔✔7 Electrons always try to be in the ____ orbital or energy shell. ✔✔lowest

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 StellarScores. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$15.94. 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

Start selling
CA$15.94
  • (0)
  Add to cart