Exam (elaborations)
Matse 81 Quizz 3 Correct Answers
- Course
- Institution
Matse 81 Quizz 3 Correct Answers
[Show more]
Content preview
Solution 2024/2025Pepper
Matse 81 Quizz 3 Correct Answers
The nucleus was discovered by Rutherford when this occurred to the alpha particles shot at gold foil in his laboratory.
- Most of the particles went through the foil but a few bounced backward.
- All the particles bounced back.
- About half the particles bounced back.
- All the particles passed right through the foil. ANS✔✔ Most of the particles went through the foil but a few bounced
backward
define the following terms:
1. Atomic mass unit
2. Isotope
3. Atomic number ANS✔✔ Atomic mass unit - 1/12 of the mass of carbon 12
Isotope - an atom of an element that has more than one atomic weight
Atomic number - always equal to the number of protons in an atom
What is [Neon]3s^2 3p^5
- is the electronic configuration of Chlorine
- is the electronic configuration of Iron
- is the electronic configuration of Carbon
- is the electronic configuration of Sulfur ANS✔✔ is the electronic configuration of Chlorine
what is 1s^2 2s^2 2p^6 3s^2 3p^4?
- is the electronic configuration of Sulfur
- is the electronic configuration of Iron
- is the electronic configuration of Argon
- is the electronic configuration of Carbon ANS✔✔ is the electronic configuration of Sulfur
, Solution 2024/2025
Pepper
The Pauli Exclusion Principle states that
- each electron state can accommodate no more than two electrons, which must have opposite spins.
- that no name boxers from Philly are not good enough for his sister.
- stable electronic configurations occur when the states in the valence shell are completely filled.
- when all the electrons occupy the lowest possible energies, an atom is said to be in its ground state. ANS✔✔ each
electron state can accommodate no more than two electrons, which must have opposite spins
T/F The four-electron quantum numbers are n, l, ml, and ms. They specify, respectively, electron orbital size, orbital
shape, number of electron orbitals, and spin moment. ANS✔✔ True
Chlorine:
- would like to have another electron to form a stable structure.
- would like to give up an electron to form a stable structure.
- is an inert gas.
- is a metal. ANS✔✔ would like to have another electron to form a stable structure.
Who is credited with creating the modern periodic table?
- Dmitri Mendeleev
- Isaac Newton
- Neils Bohr
- Albert Einstein ANS✔✔ Dmitri Mendeleev
T/F The minimum in the net energy curve reveals the equilibrium separation of the atoms and the energy required to
break the bond. ANS✔✔ True
T/F Atomic nuclei attract one another. ANS✔✔ False
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 Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now