Exam (elaborations)
CHEM 121 Module 4 Exam Questions and Answers- Portage 2024/2025
- Course
- Institution
CHEM 121 Module 4 Exam Questions and Answers- Portage 2024/2025/CHEM 121 Module 4 Exam Questions and Answers- Portage 2024/2025
[Show more]
Seller
Follow
Millenialnurse
Reviews received
Content preview
M4: Exam - Requires Respondus LockDownBrowser + Webcam
• Due No due date
• Points 100
• Questions 10
• Time Limit 120 Minutes
• Requires Respondus LockDown Browser
Attempt History
Attempt Time Score
LATEST Attempt 1 42 minutes 89 out of 100
Score for this quiz: 89 out of 100
Submitted Jan 21 at 4:11am
This attempt took 42 minutes.
Question 1
pts
You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table
, Show the determination of the charge on the ion formed by the Ga31 atom.
Your Answer:
1s 2s 2p 3s 3p 4s 3d 4p3
metal lose electrons
lost of 3 electrons
Ga31 +3
Ga31 (metal = lose electrons) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1
lose 3e → Ga+3
Question 2
pts
You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table
The entire question should be changed to the following for every version:
H = 2.1 I = 2.7
Li = 1.0 Be = 1.5 B = 2.0 C = 2.5 N = 3.0 O= 3.5 F = 4.0
Na = 1.0 Mg = 1.2 Al = 1.5 Si = 1.8 P = 2.1 S = 2.5 Cl = 3.0
K = 0.8 Ca = 1.0 Ga = 1.6 Ge = 1.8 As = 2.0 Se = 2.4 Br = 2.8
Using the electronegativities from the table above, show the determination of the
polarity of each different type of bond in the following molecule
Your Answer:
h-o = 3.5-2.1=1.4 polar
n-o = 3.5-3.0=.5 polar
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 Millenialnurse. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $20.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now