Podcast
Questions and Answers
What is the term for the tendency of water molecules to stick together?
What is the term for the tendency of water molecules to stick together?
- Hydrogen bonding
- Surface tension
- Cohesion (correct)
- Adhesion
Why can a glass be filled to the brim without water overflowing?
Why can a glass be filled to the brim without water overflowing?
- Due to adhesion properties
- Due to low surface tension
- Because of cohesion properties (correct)
- Because water is a solvent
Which category of substances dissolve in water and are considered water-fearing?
Which category of substances dissolve in water and are considered water-fearing?
- Hydrogen bonding substances
- Water-loving substances
- Hydrophobic substances (correct)
- Hydrophilic substances
What property of water explains why coastal climates tend to be mild?
What property of water explains why coastal climates tend to be mild?
What happens to the distance between water molecules when water freezes?
What happens to the distance between water molecules when water freezes?
Which factor contributes to the ability of water to resist temperature changes?
Which factor contributes to the ability of water to resist temperature changes?
What is the term for the ability of water to form hydrogen bonds with substances other than water?
What is the term for the ability of water to form hydrogen bonds with substances other than water?
What does electronegativity measure?
What does electronegativity measure?
Which element has high electronegativity compared to Sodium?
Which element has high electronegativity compared to Sodium?
What type of bond is created when one atom transfers electrons to another?
What type of bond is created when one atom transfers electrons to another?
In which type of bond do atoms share electrons?
In which type of bond do atoms share electrons?
What is the main attractive force that holds atoms together in a compound?
What is the main attractive force that holds atoms together in a compound?
Which type of chemical bond involves partial charges on adjacent polar molecules?
Which type of chemical bond involves partial charges on adjacent polar molecules?
Elements with high electronegativity tend to:
Elements with high electronegativity tend to:
What is the term for an atom's outermost occupied shell?
What is the term for an atom's outermost occupied shell?
What is the defining characteristic of an acidic solution?
What is the defining characteristic of an acidic solution?
Which type of organic molecules consist of a carbon backbone and a Functional Group?
Which type of organic molecules consist of a carbon backbone and a Functional Group?
What do plants and autotrophs do with regard to organic molecules?
What do plants and autotrophs do with regard to organic molecules?
Which type of organic molecules are predominantly composed of Carbon and Hydrogen?
Which type of organic molecules are predominantly composed of Carbon and Hydrogen?
What determines the physical, chemical, and solubility properties of a specific organic compound?
What determines the physical, chemical, and solubility properties of a specific organic compound?
Which type of solution has a pH greater than 7?
Which type of solution has a pH greater than 7?
What are the four most abundant types of organic molecules in organisms?
What are the four most abundant types of organic molecules in organisms?
Where do heterotrophs like humans obtain their organic building blocks?
Where do heterotrophs like humans obtain their organic building blocks?
What happens in a chemical reaction?
What happens in a chemical reaction?
What can happen if there is too much or too little H+ ions inside a cell?
What can happen if there is too much or too little H+ ions inside a cell?
What happens when a water molecule spontaneously breaks into two pieces?
What happens when a water molecule spontaneously breaks into two pieces?
How does an acid affect the concentration of ions in a solution?
How does an acid affect the concentration of ions in a solution?
What does a pH scale measure?
What does a pH scale measure?
What pH value represents a neutral solution?
What pH value represents a neutral solution?
What role do Hydrogen ions play in affecting cellular functions?
What role do Hydrogen ions play in affecting cellular functions?
Why is it important for cells to have an optimum pH?
Why is it important for cells to have an optimum pH?
What type of organic compounds consist largely of the four main types of organic compounds: carbohydrates, proteins, nucleic acids, and lipids?
What type of organic compounds consist largely of the four main types of organic compounds: carbohydrates, proteins, nucleic acids, and lipids?
What is the chemical reaction called when monomers are linked into polymers by removing an -OH group from one molecule and a hydrogen atom from another to form water?
What is the chemical reaction called when monomers are linked into polymers by removing an -OH group from one molecule and a hydrogen atom from another to form water?
Which type of carbohydrates usually contain five or six carbon atoms and have a ratio of C:H:O = 1:2:1?
Which type of carbohydrates usually contain five or six carbon atoms and have a ratio of C:H:O = 1:2:1?
What property do proteins, nucleic acids, and some carbohydrates share in common?
What property do proteins, nucleic acids, and some carbohydrates share in common?
What type of chemical reaction breaks the covalent bonds linking monomers in a polymer by using atoms from water?
What type of chemical reaction breaks the covalent bonds linking monomers in a polymer by using atoms from water?
Which term refers to the small groups of atoms that participate in the reactions creating life's large organic molecules?
Which term refers to the small groups of atoms that participate in the reactions creating life's large organic molecules?
In carbohydrates, what type of molecules consist of carbon, hydrogen, and oxygen often in a proportion 1:2:1?
In carbohydrates, what type of molecules consist of carbon, hydrogen, and oxygen often in a proportion 1:2:1?
What are the two main groups of carbohydrates based on their complexity?
What are the two main groups of carbohydrates based on their complexity?
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