General Chemistry: Exam 1 Practice Test Questions and Answers | Latest Version | 2024/2025 | Already Passed
8 views 0 purchase
Module
General Chemistry:
Institution
General Chemistry:
General Chemistry: Exam 1 Practice Test
Questions and Answers | Latest Version
| 2024/2025 | Already Passed
What is the principle behind Rutherford's gold foil experiment?
- It demonstrated that atoms consist of a large, positively charged nucleus surrounded by
electrons.
- It showed t...
General Chemistry: Exam 1 Practice Test
Questions and Answers | Latest Version
| 2024/2025 | Already Passed
What is the principle behind Rutherford's gold foil experiment?
- It demonstrated that atoms consist of a large, positively charged nucleus surrounded by
electrons.
- ✔✔ It showed that atoms have a dense, positively charged nucleus with electrons orbiting
around it.
- It proved that electrons are evenly distributed throughout the atom.
- It confirmed that atoms are indivisible particles.
Which of the following best describes the quantum mechanical model of the atom?
- It describes electrons as particles moving in fixed orbits around the nucleus.
- It depicts electrons as waves with specific quantized energy levels.
- ✔✔ It treats electrons as having both particle and wave characteristics, with their positions
described by probabilities.
- It suggests that electrons are located at random positions around the nucleus.
1
,What is the molecular shape of a molecule with a central atom that has two single bonds and two
lone pairs of electrons?
- Linear
- Trigonal planar
- ✔✔ Bent
- Tetrahedral
Which of the following elements has the highest electronegativity?
- Sodium
- Magnesium
- ✔✔ Fluorine
- Aluminum
What is the hybridization of the central atom in a molecule with a trigonal pyramidal shape?
- sp
- sp²
- ✔✔ sp³
- sp³d
2
, What type of intermolecular force is present in a sample of hydrogen chloride (HCl) gas?
- Ionic bonding
- Metallic bonding
- ✔✔ Dipole-dipole interactions
- Hydrogen bonding
What is the atomic number of an element that has 18 electrons and 18 protons?
-8
- 16
- ✔✔ 18
- 36
Which of the following statements about isotopes is correct?
- Isotopes of an element have the same number of neutrons but different numbers of protons.
- ✔✔ Isotopes of an element have the same number of protons but different numbers of neutrons.
- Isotopes of an element have different numbers of both protons and neutrons.
- Isotopes of an element have different numbers of protons and electrons.
3
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 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 SterlingScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.49. You're not tied to anything after your purchase.
