Podcast
Questions and Answers
What is a mixture that contains insoluble particles that are large enough to be visible?
What is a mixture that contains insoluble particles that are large enough to be visible?
If a molecule contains only carbon and hydrogen, it is __________ __________.
If a molecule contains only carbon and hydrogen, it is __________ __________.
Non-polar covalent
Which parts of atoms can interact (react) to form chemical bonds?
Which parts of atoms can interact (react) to form chemical bonds?
Valence electrons
Are atoms of oxygen stable, and why or why not?
Are atoms of oxygen stable, and why or why not?
Signup and view all the answers
Do carbon atoms react with other atoms, and why or why not?
Do carbon atoms react with other atoms, and why or why not?
Signup and view all the answers
Which of the following is not produced through chemical bonding?
Which of the following is not produced through chemical bonding?
Signup and view all the answers
What happens in oxidation-reduction (redox) reactions?
What happens in oxidation-reduction (redox) reactions?
Signup and view all the answers
What characteristic of water is demonstrated when foods are broken down into their building blocks by adding water?
What characteristic of water is demonstrated when foods are broken down into their building blocks by adding water?
Signup and view all the answers
How does water dissolve salt (NaCl) in your mouth?
How does water dissolve salt (NaCl) in your mouth?
Signup and view all the answers
In plasma, a typical body fluid, what would a protein floating around be considered?
In plasma, a typical body fluid, what would a protein floating around be considered?
Signup and view all the answers
Which type of lipid would cortisol be classified as?
Which type of lipid would cortisol be classified as?
Signup and view all the answers
What type of compound is NOT likely to dissolve in water?
What type of compound is NOT likely to dissolve in water?
Signup and view all the answers
Which two organ systems work to maintain pH balance in the body?
Which two organ systems work to maintain pH balance in the body?
Signup and view all the answers
Study Notes
Mixtures and Chemical Concepts
- A suspension is a mixture with visible, insoluble particles.
- Molecules containing only carbon and hydrogen are referred to as non-polar covalent compounds.
- Valence electrons are the reactive parts of atoms involved in forming chemical bonds.
Atomic Stability
- Atoms of oxygen, with a total of 8 electrons but only 6 valence electrons, are unstable since they require 8 for stability.
- Carbon atoms possess four valence electrons, making them likely to react with other atoms for increased stability.
Chemical Bonding
- Atoms are not products of chemical bonding; they are the fundamental components that bond to form larger structures such as adipose tissue, cells, and organs like the heart.
- Oxidation-reduction (redox) reactions involve the exchange of electrons between reacting species.
Properties of Water
- Water facilitates the breakdown of food into building blocks by acting as a reactant.
- Water’s solvent properties enable it to dissolve substances like salt (NaCl) by separating sodium and chloride ions due to charge interactions.
Colloids and Electrolytes
- In body fluids like plasma, proteins are considered solutes, often categorized as colloids and electrolytes due to their charged nature.
Lipids and Compounds
- Cortisol, a lipid hormone, is classified as a steroid.
- Compounds that are non-polar covalent are generally insoluble in water due to their inability to interact with polar solvents.
pH Balance
- The body maintains pH balance through the functioning of the urinary and respiratory systems.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on mixtures, atomic stability, and chemical bonding with this quiz. Explore the properties of water and the role of valence electrons in reactions. Understand key concepts that govern chemical interactions and stability.
