Honors Chemistry Midterm Review Verified Answers
Chemistry:
️ The study of matter, its properties, and the changes it undergoes.
Element:
️ A substance that cannot be broken down any further into simpler substances.
Compound:
️ Composed of two or more separate elements.
Ch...
✔️ The study of matter, its properties, and the changes it undergoes.
Element:
✔️ A substance that cannot be broken down any further into simpler substances.
Compound:
✔️ Composed of two or more separate elements.
Chemical Reaction:
✔️ A process that involves the rearrangement of the molecular or ionic structure of a substance.
Physical Change:
✔️ Changes that do not result in the formation of a new, different substance (changes in mass,
weight, density, size, physical state, melting/boiling point, solubility, color, odor).
Chemical Change:
✔️ Results in the formation of a new substance (e.g., burning, oxidation, acid reactions).
Cation:
✔️ Positively charged ion.
Anion:
✔️ Negatively charged ion.
What is the charge of Zr in the compound ZrBr₄?:
, ✔️ +4.
³⁷₁₇Cl⁻:
✔️ Atomic Mass: 37
✔️ Atomic Number: 17
✔️ Protons: 17
✔️ Electrons: 18
✔️ Neutrons: 20
✔️ Net Charge: 1.
Salts:
✔️ Neutral ionic compounds (e.g., NaCl).
Ionic Compounds:
✔️ Chemical compounds in which ions are held together by electrostatic forces; neutral overall but
can have positive or negative ions, typically made of a metal and a nonmetal (e.g., MgCl₂).
Molecular Compounds:
✔️ Formed when two or more atoms join together chemically; all compounds are molecules, but not
all molecules are compounds, typically made of two nonmetals (e.g., SF₆).
Dihydrogen Monoxide:
✔️ H₂O.
Trioxide Pentachloride:
✔️ O₃Cl₅.
Sodium Chloride:
✔️ NaCl.
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 CertifiedGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
