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Questions and Answers
What is the fundamental unit of chemical substance?
What is the fundamental unit of chemical substance?
- Molecule
- Atom (correct)
- Proton
- Neutron
Which of the following is NOT a basic concept of chemistry?
Which of the following is NOT a basic concept of chemistry?
- Chemical bonding
- Mole concept
- Atomic structure
- Nuclear physics (correct)
Which of the following concepts explains the composition of matter in terms of its constituent particles?
Which of the following concepts explains the composition of matter in terms of its constituent particles?
- Law of definite proportions
- Atomic theory (correct)
- Law of conservation of mass
- Law of multiple proportions
What is the term for the simplest whole number ratio of atoms of each element present in a compound?
What is the term for the simplest whole number ratio of atoms of each element present in a compound?
Which concept explains the amount of substance present in a sample?
Which concept explains the amount of substance present in a sample?
Which law states that the mass of an element deposited or liberated during electrolysis is directly proportional to the quantity of electricity passed through the electrolyte?
Which law states that the mass of an element deposited or liberated during electrolysis is directly proportional to the quantity of electricity passed through the electrolyte?
Flashcards
Fundamental unit of a chemical substance
Fundamental unit of a chemical substance
The atom is the smallest unit of a chemical element that can exist independently and retain the properties of that element.
Basic concept of chemistry (not)
Basic concept of chemistry (not)
Nuclear physics is a separate branch of science focused on atomic nuclei and their properties and interactions.
Composition of matter explained
Composition of matter explained
Atomic theory explains that matter is made up of atoms, and compounds are formed by combinations of these atoms in specific ratios.
Simplest ratio of elements in a compound
Simplest ratio of elements in a compound
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Concept of amount of substance
Concept of amount of substance
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Electrolysis mass relationship
Electrolysis mass relationship
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Study Notes
Chemical Substances
- The fundamental unit of a chemical substance is an atom.
Basic Concepts of Chemistry
- Atomic structure, chemical bonding, and chemical reactions are the basic concepts of chemistry.
Composition of Matter
- The concept that explains the composition of matter in terms of its constituent particles is atomic theory.
Ratio of Atoms in a Compound
- The simplest whole number ratio of atoms of each element present in a compound is called the empirical formula.
Amount of Substance
- The concept that explains the amount of substance present in a sample is the mole.
Electrolysis
- Faraday's law of electrolysis states that the mass of an element deposited or liberated during electrolysis is directly proportional to the quantity of electricity passed through the electrolyte.
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Description
Test your knowledge of the fundamental concepts in chemistry with this quiz based on the 11th-grade MHT CET syllabus. Explore questions about chemical substances, fundamental units, and the amount of substance in a sample.
