A chemical bond formed by the sharing of electron pairs between atoms.

A change affecting the form of a chemical substance, but not its chemical composition.

A process that involves rearrangement of the molecular or ionic structure of a substance.

A substance that takes part in and undergoes change during a reaction.

A graph that shows the energy changes during a chemical reaction.

The minimum quantity of energy needed to start a chemical reaction.

A reaction that absorbs energy from its surroundings.

A reaction that releases energy to its surroundings.

A protein that acts as a catalyst to speed up chemical reactions in the body.

A substance that increases the rate of a chemical reaction without itself undergoing any permanent change.

A mixture in which the components are evenly distributed.

Distinguish between ionic and covalent bonds.

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Describe the formation of an ionic compound.

An ionic compound forms when electrons are transferred from a metal to a non-metal, creating positive and negative ions that attract each other.

Compare and contrast exothermic and endothermic reactions.

Exothermic reactions release energy, usually in the form of heat, while endothermic reactions absorb energy.

Identify the solvent and the solute in a solution.

The solvent is the substance that dissolves the solute, and the solute is the substance that is dissolved.

Summarize the role of catalysts in organisms.

Catalysts speed up chemical reactions without being consumed, allowing biological processes to occur efficiently.

Explain the differences between acids and bases.

Acids release hydrogen ions (H+) in solution, while bases release hydroxide ions (OH-).

Identify common acid and base solutions and their values on the pH scale.

Acids have a pH less than 7, while bases have a pH greater than 7. Neutral solutions have a pH of 7.

Digestion (hydrolysis) process.

Digestion involves breaking down macromolecules into smaller units through hydrolysis, using water to break chemical bonds.

Useful study tools for chemistry.

Unit packet items, Chapter 2 in textbook, warm-ups, labs, and quizzes.

Accessing online quizzes for chemistry.

Visit joinmyquiz.com and use the provided codes for different topics.

Exothermic Reaction Diagram

Shows a reaction where energy is released, with lower energy in products than reactants.

Endothermic Reaction Diagram

Depicts a reaction where energy is absorbed, with higher energy in products than reactants.

Chemistry Concepts Flashcards

Student preview

30 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Proton

Back

A positively charged particle found in the nucleus of an atom.

2.

FLASHCARD QUESTION

Front

Electron

Back

A negatively charged particle that orbits the nucleus of an atom.

3.

FLASHCARD QUESTION

Front

Molecule

Back

Two or more atoms bonded together.

4.

FLASHCARD QUESTION

Front

Atomic Model

Back

A representation of the structure of an atom.

5.

FLASHCARD QUESTION

Front

Compound

Back

A substance made of two or more different elements bonded together.

6.

FLASHCARD QUESTION

Front

Ion

Back

An atom or molecule with a net electric charge due to the loss or gain of electrons.

7.

FLASHCARD QUESTION

Front

Ionic Bond

Back

A chemical bond formed between two ions with opposite charges.

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