Question

Why is it necessary to use models to study submicroscopic objects such as atoms and molecules?
A. These objects do not exist in the real world.
B. These objects are too far away to observe.
C. These objects are too small to see.
D. These objects can only be described mathematically.

Answer 1

C. these objects are too small to see

Answer 2

It necessary to use models to study submicroscopic objects such as atoms and molecules because C. These objects are two small to see.

• Because chemistry aims to explain the submicroscopic processes that result in macroscopic observations, it is significant.
• The term "submicroscopic" describes the range of tiny particles, such atoms, that make up all matter (the smallest unit of matter that retains the properties of that element). Even with modern technologies, this sector is frequently invisible.
• The atom is the smallest unit of matter that possesses a chemical element's characteristics. Atoms don't exist on their own; instead, they unite to create ions and molecules, which then join together to create the matter that we can see, feel, and touch.
• According to the context, the term may or may not include ions that meet this requirement. A molecule is a collection of two or more atoms held together by the attractive forces known as chemical bonds.

These particles are very small and cannot be seen with naked eyes but their significance is very high. Hence, models are used to study them.

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