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The smallest part of an element that retains the identity (and the chemical properties) of that element is ...
- a)A chemical
- b)A molecule
- c)An atom
- d)An electron
Correct answer is option 'C'. Can you explain this answer?
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The smallest part of an element that retains the identity (and the che...
The idea of atoms has been around for thousands of years but it was only during the last two hundred years that scientists have found evidence they exist. In 1981, a very powerful microscope was developed that can be used to 'see' actual atoms
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The smallest part of an element that retains the identity (and the che...
Understanding the Smallest Part of an Element
The correct answer to the question is option 'C', an atom. Here's a detailed explanation:
What is an Atom?
- An atom is the fundamental building block of all matter.
- It is the smallest unit of an element that retains its chemical properties.
- Each element on the periodic table is composed of unique atoms that define its characteristics.
Structure of an Atom
- Atoms consist of three main particles: protons, neutrons, and electrons.
- Protons: Positively charged particles found in the nucleus.
- Neutrons: Neutral particles also located in the nucleus.
- Electrons: Negatively charged particles that orbit the nucleus.
Importance of Atoms in Chemistry
- Atoms combine to form molecules, but they themselves are the smallest units that maintain the identity of an element.
- For instance, a single atom of hydrogen (H) or oxygen (O) retains its distinct properties and can participate in chemical reactions.
Why Not the Other Options?
- A chemical: This refers to any substance with a defined composition, not the smallest unit.
- A molecule: This is a group of two or more atoms bonded together, which can vary in size and does not represent the smallest unit.
- An electron: While it is a fundamental particle within an atom, it does not represent the complete identity of an element.
Understanding these concepts is essential for grasping the basics of chemistry and the nature of elements.
The correct answer to the question is option 'C', an atom. Here's a detailed explanation:
What is an Atom?
- An atom is the fundamental building block of all matter.
- It is the smallest unit of an element that retains its chemical properties.
- Each element on the periodic table is composed of unique atoms that define its characteristics.
Structure of an Atom
- Atoms consist of three main particles: protons, neutrons, and electrons.
- Protons: Positively charged particles found in the nucleus.
- Neutrons: Neutral particles also located in the nucleus.
- Electrons: Negatively charged particles that orbit the nucleus.
Importance of Atoms in Chemistry
- Atoms combine to form molecules, but they themselves are the smallest units that maintain the identity of an element.
- For instance, a single atom of hydrogen (H) or oxygen (O) retains its distinct properties and can participate in chemical reactions.
Why Not the Other Options?
- A chemical: This refers to any substance with a defined composition, not the smallest unit.
- A molecule: This is a group of two or more atoms bonded together, which can vary in size and does not represent the smallest unit.
- An electron: While it is a fundamental particle within an atom, it does not represent the complete identity of an element.
Understanding these concepts is essential for grasping the basics of chemistry and the nature of elements.
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