Class 5 Exam > Class 5 Questions > The smallest unit of a pure substance which a...
Start Learning for Free
The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called a
- a)Atom
- b)Molecule
- c)Element
- d)Compound
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The smallest unit of a pure substance which always exist independently...
Explanation:
A molecule is the smallest unit of a substance that has all the properties of that substance. It is made up of two or more atoms that are chemically bonded together. Molecules can be made up of atoms of the same element or atoms of different elements.
Examples:
Some examples of molecules include:
- Water (H2O) - made up of two hydrogen atoms and one oxygen atom
- Carbon dioxide (CO2) - made up of one carbon atom and two oxygen atoms
- Glucose (C6H12O6) - made up of six carbon, twelve hydrogen, and six oxygen atoms
Comparison with other options:
- Atom: An atom is the smallest unit of an element that retains its chemical properties. It is made up of a nucleus, which contains protons and neutrons, and electrons that orbit around the nucleus. Atoms can combine with other atoms to form molecules.
- Element: An element is a substance that is made up of only one type of atom. It cannot be broken down into simpler substances by chemical means.
- Compound: A compound is a substance made up of two or more different elements that are chemically bonded together. It has its own unique properties that are different from the elements that make it up.
A molecule is the smallest unit of a substance that has all the properties of that substance. It is made up of two or more atoms that are chemically bonded together. Molecules can be made up of atoms of the same element or atoms of different elements.
Examples:
Some examples of molecules include:
- Water (H2O) - made up of two hydrogen atoms and one oxygen atom
- Carbon dioxide (CO2) - made up of one carbon atom and two oxygen atoms
- Glucose (C6H12O6) - made up of six carbon, twelve hydrogen, and six oxygen atoms
Comparison with other options:
- Atom: An atom is the smallest unit of an element that retains its chemical properties. It is made up of a nucleus, which contains protons and neutrons, and electrons that orbit around the nucleus. Atoms can combine with other atoms to form molecules.
- Element: An element is a substance that is made up of only one type of atom. It cannot be broken down into simpler substances by chemical means.
- Compound: A compound is a substance made up of two or more different elements that are chemically bonded together. It has its own unique properties that are different from the elements that make it up.
Community Answer
The smallest unit of a pure substance which always exist independently...
A molecule is a tiny unit of a substance that has all the properties of that substance.
Attention Class 5 Students!
To make sure you are not studying endlessly, EduRev has designed Class 5 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 5.
|
Explore Courses for Class 5 exam
|
|
Top Courses for Class 5View all
The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer?
Question Description
The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer?.
The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer?.
Solutions for The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 5.
Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free.
Here you can find the meaning of The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called aa)Atomb)Moleculec)Elementd)CompoundCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 5 tests.
|
|
Explore Courses for Class 5 exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup