a. Cite an example of a substance that is made of molecules.
b. Cite a substance that is made of atoms rather than molecules.
a.
To write: An example of substance made of molecule.
Explanation of Solution
Introduction:
When two or more atoms of different or same elements combines together, a molecule is formed. Their chemical and physical properties are different from the elements from which they are formed.
The example of a substance that is made of molecules is water
b.
To write: An example of substance made of atoms.
Explanation of Solution
Introduction:
Atoms: For any substance or matter, the smallest unit is atom. It has similar chemical properties of elements. It consists of three subatomic particles except hydrogen atom.
The three sub-atomic particles are:
- Electrons
- Protons
- Neutrons
The example of a substance that is made of atoms is Iron (Fe).
Here the iron is formed by only one atom.
Also, all the metals are the example of substance that is made of atoms.
Chapter 17 Solutions
Conceptual Physics: The High School Physics Program
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