Exam (elaborations)
Test Bank For Chemistry 6th Edition By Julia Burdge Chapter 1-25
- Course
- Institution
Test Bank For Chemistry 6th Edition By Julia Burdge Chapter 1-25
[Show more]
Content preview
Test Bank For Chemistry 6th EditionChapter 1: Introduction to Chemistry
Which of the following is a physical change?
A) Burning of paper
B) Dissolving sugar in water
C) Rusting of iron
D) Cooking an egg
Answer: B) Dissolving sugar in water
The smallest unit of an element that retains the properties of that element is a:
A) Molecule
B) Compound
C) Atom
D) Mixture
Answer: C) Atom
Chapter 2: Atoms, Molecules, and Ions
Which of the following statements is true about isotopes?
A) They have the same number of protons but different numbers of neutrons.
B) They have different numbers of protons.
C) They have the same number of neutrons but different numbers of protons.
D) They have different numbers of electrons.
Answer: A) They have the same number of protons but different numbers of
neutrons.
The atomic number of an element is equal to:
A) The number of neutrons in the nucleus.
,B) The sum of protons and neutrons in the nucleus.
C) The number of protons in the nucleus.
D) The number of electrons surrounding the nucleus.
Answer: C) The number of protons in the nucleus.
Chapter 3: Chemical Reactions
Which type of reaction involves the exchange of ions between two compounds?
A) Synthesis
B) Decomposition
C) Single Replacement
D) Double Replacement
Answer: D) Double Replacement
In the reaction: 2H₂ + O₂ → 2H₂O, which substance is the reactant?
A) H₂
B) O₂
C) H₂O
D) Both A and B
Answer: D) Both A and B
Chapter 4: Stoichiometry
How many moles are in 50 grams of water (H₂O)? (Molar mass of H₂O = 18 g/mol)
A) 0.5 moles
B) 1 mole
C) 2.78 moles
D) 9.28 moles
Answer: A) 0.5 moles
The mole ratio in the reaction 2 Na + Cl₂ → 2 NaCl is:
, A) 2:1:2
B) 1:1:1
C) 1:2:2
D) 2:2:1
Answer: A) 2:1:2
Chapter 5: Thermochemistry
Which of the following is an exothermic process?
A) Melting of ice
B) Evaporation of water
C) Combustion of gasoline
D) Dissolving salt in water
Answer: C) Combustion of gasoline
The heat required to raise the temperature of 1 gram of a substance by 1°C is known
as:
A) Specific heat capacity
B) Heat of fusion
C) Heat of vaporization
D) Latent heat
Answer: A) Specific heat capacity
Chapter 6: Electronic Structure of Atoms
The principle that states that no two electrons in an atom can have the same set of
quantum numbers is known as:
A) Hund's Rule
B) Pauli Exclusion Principle
C) Aufbau Principle
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 FreeDocument. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.89. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79650 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now