Podcast
Questions and Answers
Which of the following best describes a substance that has a definite volume but takes the shape of its container?
Which of the following best describes a substance that has a definite volume but takes the shape of its container?
- Liquid (correct)
- Gas
- Plasma
- Solid
What distinguishes a compound from a mixture?
What distinguishes a compound from a mixture?
- Compounds are chemically combined in a fixed ratio, while mixtures are physically combined. (correct)
- Compounds are physically combined, while mixtures are chemically combined.
- Compounds consist of only one element, while mixtures contain multiple elements.
- Compounds can be separated by physical means, while mixtures require chemical reactions for separation.
Consider two isotopes of the same element. Which statement is correct regarding their atomic structure?
Consider two isotopes of the same element. Which statement is correct regarding their atomic structure?
- They have the same number of neutrons but a different number of protons.
- They have a different number of protons, neutrons, and electrons.
- They have the same number of protons and neutrons but a different number of electrons.
- They have the same number of protons but a different number of neutrons. (correct)
In an ionic bond formation, what process primarily leads to the attraction between atoms?
In an ionic bond formation, what process primarily leads to the attraction between atoms?
Given the molecular formula of a compound is $C_6H_{12}O_6$, what is its empirical formula?
Given the molecular formula of a compound is $C_6H_{12}O_6$, what is its empirical formula?
In a chemical reaction, if reactant A is completely consumed before reactant B, what is reactant A referred to as?
In a chemical reaction, if reactant A is completely consumed before reactant B, what is reactant A referred to as?
A solution has a pH of 9. What does this indicate about the solution?
A solution has a pH of 9. What does this indicate about the solution?
Which functional group is characteristic of carboxylic acids?
Which functional group is characteristic of carboxylic acids?
Which of the following describes entropy?
Which of the following describes entropy?
In the context of redox reactions, what happens during oxidation?
In the context of redox reactions, what happens during oxidation?
Flashcards
Chemistry
Chemistry
The study of matter and its properties and how matter changes.
Matter
Matter
Anything that has mass and takes up space (volume).
Solid
Solid
A solid has a definite shape and volume due to tightly packed particles.
Element
Element
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Atom
Atom
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Protons
Protons
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Atomic Number (Z)
Atomic Number (Z)
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Anion
Anion
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Chemical Bonds
Chemical Bonds
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Mole
Mole
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