A state of matter is nothing more or less than a solid state. At school, we were taught that matter can be classified as either solid, liquid, or gas. Nevertheless, as we move up through the grades, the concepts and material become increasingly complex. Throughout this lesson, we’ll explore the concept of solid-state from various angles, learning about its qualities and different sorts of solids along the way.
Solids are distinguished from liquids and gases by several distinctive properties. For example, they can withstand any force applied to their surface. Compounds’ solid-state properties, on the other hand, are heavily influenced by atomic-level factors, including arrangement and interaction forces.
Characteristics of states of matter
Generally speaking, matter can be found in three distinct states: solid, liquid, and gas. The main characteristics of States of matters are as follows:
- Solids have a particular volume and shape because they are relatively hard. The atoms and molecules in a solid are linked together. They tremble, but they don’t move.
- Liquids have a fixed volume, but they can change shape by moving through them. The atoms and molecules in a liquid are only loosely bound together. However, they keep an eye on each other as they walk about.
- There is no way to quantify the size or shape of a gas. They are free to walk around and separate from each other.
Changing the pressure and temperature of the environment causes the states to change and transform from one form to another and changes the characteristics of states of matter. Two competing aspects determine a state’s long-term viability:
- Intermolecular Forces
- Thermal Energy
These two criteria have a major role in determining a state’s traits and predicting its future status. In addition, these two elements have a role in the development and existence of solids.
Intermolecular forces
Intermolecular forces refer to the forces that exist between the individual particles. The primary function of intermolecular forces is to keep matter’s atoms, molecules, and ions nearby.
Thermal Energy
As the temperature rises, the amount of thermal energy in the matter particles creates, causing them to move more quickly. This phenomenon is known as thermal energy. Thermal energy, as opposed to intermolecular forces, relies on the movement of matter particles distant from one another.
Characteristics of solid-state
- Solids are incompressible, which means that the individual constituent particles are packed closely together, leaving only a little gap between them.
- As the name implies, solids are impermeable. As a result, it is hard or fixed because of a paucity of space between its constituent particles
- Solids have a specific mass, volume, and shape, resulting in a well-defined arrangement of their constituent particles. This is the main characteristic of a solid-state.
- Molecules have a short intermolecular distance. Thus, there is a significant intermolecular force between the constituent particles (atoms, molecules, ions).
- Mean locations are all that matter to the constituent particles.
What distinguishes solids from liquids and gases in terms of characteristics of states of matter
Fluids are made up of liquids and gases; however, solids don’t fit in the characteristics of states of matter of fluids. which refer to substances that can flow. This occurs due to the weak intermolecular interactions present in gases and liquids. Fluids can flow because of this feature, which allows them to break their chemical bonds. As a result, the rigidity of solids is a result of this. Because they can’t take on the shape of the container, solid particles can’t take on the shape of the container they’re in.
Again, the nature of solid-state characteristics explains this phenomenon. Solid particles have a small interparticle distance because they are tightly bonded together. In contrast to fluids, which can be compressed easily because of their vast intermolecular distances, solids are extremely difficult to compress because of their small intermolecular distances. There is always movement among fluid particles. Particles move more quickly in gaseous form due to high kinetic energy, which is not present in liquids. Even though they do not split, liquid particles flow. Solids do not exhibit this property, making them distinct from liquids. Solids, like liquids, have a sheen that allows them to reflect and shine. Solids like gold and silver, which shimmer and shine, illustrate this trait. The fluids have no sparkle.
At a Molecular Level, Solid-state
Due to the dense packing of the constituent particles of matter, the solid-state is often characterised by rigidity, mechanical strength, and incompressibility (atoms, molecules, or ions). There are strong natural forces that bind atoms and molecules to their fixed places (referred to as lattice sites) in the solid lattice. Lattice is a three-dimensional arrangement of the constituent particles of matter (atoms, molecules, or ions) in the solid-state. The lattice restricts the movement of the atoms and molecules inside. Pressure and temperature change the arrangement of particles, which results in a change in the characteristics of the solid-state.
Conclusion
Solid, liquid, and gas are the three primary states of matter. The characteristics of these three states of matter are vastly different. They differ in terms of their intermolecular interactions, the kinetic energy of individual particles, interatomic distances, electrical conductivity, and other factors. Objects that we come into contact with daily are made of solids. Solids are one of the three major physical states that make up our universe. The idea that matter can exist in states other than solid, liquid, and gas is important for us to understand as future scientists. Students will learn about these concepts in more advanced courses. However, for the sake of simplicity, we will only be focusing on the three most common states.