100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CHM Exam 2 Practice questions $9.99   Add to cart

Other

CHM Exam 2 Practice questions

 3 views  0 purchase

Exam 2 practice questions for chemistry.

Preview 2 out of 5  pages

  • October 21, 2024
  • 5
  • 2022/2023
  • Other
  • Unknown
All documents for this subject (16)
avatar-seller
anyiamgeorge19
Chem. 100 Exam II (Practice Test)
ATOMIC STRUCTURE:

The following information applies to subatomic particles. If the correct answer is Proton, mark
“A,” neutron, mark “B,” electron, mark “C.” If the answer is correct for more than one, mark all
correct answers.

1. The mass of the particle doesn’t weigh enough to worry about.

2. The mass of the particles is 1 a.m.u.

3. This particle is located outside the nucleus.

4. This particle is found only in the nucleus.

5. This particle has a charge of –1.

6. This particle has no charge.

7. This particle has a charge of +1.
1
8. The symbol of this particle is p+ or H.
64
For the following element, 30Zn answer the following questions related to the configuration.

1. The atom contains the following number of shells:
(a) 3 (b) 5 (c) 4

2. For this atom, shell #3 contains the following number of electrons:
(a) 2 (b) 18 (c) 8

3. This atom would have the following # of neutrons (in the nucleus):
(a) 30 (b) 64 (c) 34

4. This atom would have the following # of electrons (total):
(a) 30 (b) 34 (c) 64

5. This atom would have the following # of protons (in the nucleus):
(a) 34 (b) 64 (c) 30




1

, 6. Using the following diagrams, answer these questions: Mark “all” correct answers.
a) b)


P7
P 24 2 8 12 2 2 8
N8
N 36

c) d)

P 6 P 7
N 8 2 4 N 10 2 5


a. Which are isotopes?
b. Which is a metal?
c. Which is a non-metal?
d. Which is an ion?
e. Which are atoms?
f. What is the atomic number of element d?
(a) 7 (b) 18 (c) 17

g. What is mass number of element b?
(a) 8 (b) 10 (c) 15 (d) 25

h. Which element has 4 valence electrons?

7. Draw the electron dot symbols for the following:
a. francium d. CO2
b. iodine e. CH4
c. H2O


8. Tell whether the following compounds are:
(a) covalent (b) salt (c) acid (d) base

a. N2O3 b. NH4C2H3O2 c. SiS2 d. NaHSO4

e. PbI2 f. H2SO3 g. Al(OH)3 h. Co2S3

i. FrOh j. NH4HSO3 k. HI l. SnI4

m. RbOH n. HClO3




2

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 anyiamgeorge19. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

84146 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
$9.99
  • (0)
  Add to cart