Questions and Answers
What does the law of conservation of mass state?
What are reactants?
Substances that take part in and undergo change during a reaction.
What is an atom?
The basic unit of a chemical element.
What is a covalent bond?
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What does diatomic mean?
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What is an element?
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What is a subscript?
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What is a chemical formula?
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What are products in a chemical reaction?
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What is a chemical reaction?
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What is a chemical equation?
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What is a coefficient in chemistry?
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What is a balanced chemical equation?
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Study Notes
The Law of Conservation of Mass
- Mass in an isolated system is neither created nor destroyed during chemical reactions or physical transformations.
- The mass of products in a chemical reaction equals the mass of the reactants.
Reactants
- Substances that participate and undergo changes during chemical reactions.
Atoms
- The fundamental units of chemical elements.
Covalent Bonds
- A type of chemical bond formed by the sharing of electron pairs between atoms.
- Shared pairs, or bonding pairs, create a stable balance of attractive and repulsive forces.
Diatomic
- Refers to molecules consisting of two atoms.
Elements
- Essential components or aspects of chemical substances.
Subscript
- Written or printed notation that appears below the line, commonly used in chemical formulas to indicate the number of atoms.
Chemical Formulas
- Mathematical relationships or rules expressed using symbols to represent chemical substances.
Products
- Articles or substances produced or refined, typically for sale, as a result of chemical reactions.
Chemical Reactions
- Processes involving the rearrangement of molecular or ionic structures rather than mere physical changes or nuclear reactions.
Chemical Equations
- Symbolic representations of chemical reactions, with reactants on the left and products on the right.
Coefficients
- Factors that serve as multipliers to quantify the number of molecules or moles of a substance in chemical equations.
Balanced Chemical Equations
- Equations that adhere to the law of conservation of mass, showing equal numbers of each type of atom in reactants and products.
- Achieved through a trial and error process to ensure balance.
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Description
Explore the fundamental concept of the law of conservation of mass through flashcards. These flashcards provide definitions and explanations of key terms, such as 'reactants' and the law itself, crucial for understanding chemical reactions. Perfect for students aiming to grasp this essential principle in chemistry.