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Crystals and molecules are both made up of atoms, but they differ in their structure and properties. Crystals have a repeating pattern of atoms arranged in a regular, three-dimensional lattice, giving them a distinct shape and symmetry. Molecules, on the other hand, are made up of specific combinations of atoms bonded together in a unique arrangement.

In terms of properties, crystals have a well-defined geometric shape and exhibit properties such as cleavage, hardness, and transparency. Molecules, on the other hand, can vary in size and shape, leading to a wide range of properties such as polarity, solubility, and reactivity.

Overall, crystals have a more ordered and symmetrical structure compared to molecules, which can have more diverse and complex arrangements.

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5mo ago

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Why do crystals form and what factors contribute to their growth and structure?

Crystals form when atoms or molecules arrange themselves in a repeating pattern. Factors that contribute to their growth and structure include temperature, pressure, and the presence of impurities. These factors affect how quickly the crystals grow and the arrangement of their atoms or molecules.


Does agate have magnetic properties?

No, agate is not magnetic. It is a type of chalcedony quartz that is formed from microscopic crystals of quartz and moganite. Due to its crystal structure, agate does not exhibit magnetic properties.


What is the significance of nematic order in the study of liquid crystals?

Nematic order is important in the study of liquid crystals because it describes the alignment of molecules in a specific direction, which affects the physical properties of the material. This alignment allows liquid crystals to exhibit unique optical and electrical properties, making them useful in various applications such as displays and sensors.


How do you describe crystal shape?

Crystal shape refers to the external geometric form that a crystal takes as a result of its internal arrangement of atoms or molecules. Crystals can exhibit various shapes such as cubes, pyramids, needles, and plates, depending on their crystal structure and growth conditions. The study of crystal shapes, known as crystallography, helps in understanding the fundamental properties and behavior of crystals.


What is the significance of the structure factor for face-centered cubic (FCC) crystals?

The structure factor for face-centered cubic (FCC) crystals is significant because it helps determine the arrangement of atoms in the crystal lattice. It provides information about the symmetry and spacing of atoms in the crystal structure, which is important for understanding the physical and chemical properties of the material.

Related Questions

What do liquid crystals look like?

Liquid crystals appear similar to liquids, but they have properties of both liquids and solid crystals. Under polarized light, they exhibit colorful patterns due to their anisotropic nature, meaning their molecules have different properties depending on their orientation. Liquid crystals can be transparent or opaque, depending on their structure and arrangement of molecules.


Why do crytals of different sizes have bigger crystals?

Larger crystals are formed when the conditions for crystal growth remain constant for a longer period, allowing more molecules to arrange into a larger, more organized structure. In contrast, smaller crystals may form when conditions fluctuate or change rapidly, limiting the growth of individual crystals.


Why do borax crystals form faster then salt and sugar crystals?

Borax crystals form faster than salt and sugar crystals primarily due to the specific properties of borax, including its lower solubility in water compared to salt and sugar. When a saturated solution of borax cools or evaporates, borax molecules readily come together to form larger crystals. Additionally, the geometric structure of borax allows for efficient packing of molecules, promoting quicker crystal growth. In contrast, salt and sugar require more time to organize their more complex crystal lattice structures.


Is glass a crystal?

Glass is not considered a true crystal; it is an amorphous solid, meaning it lacks a well-defined, repeating atomic structure. In contrast, crystals have a regular, ordered arrangement of atoms. While glass can exhibit some properties of crystals, such as clarity and brittleness, its disordered structure distinguishes it from crystalline materials.


What is the difference between solid crystals and liquid crystals?

Solid crystals have a fixed, ordered arrangement of molecules or atoms, while liquid crystals have a partially ordered structure that can flow like a liquid but still exhibit some properties of a solid. Solid crystals have a defined melting point where they transition to a liquid state, while liquid crystals have a range of temperatures over which they exhibit liquid-like and solid-like properties.


Why do crystals form and what factors contribute to their growth and structure?

Crystals form when atoms or molecules arrange themselves in a repeating pattern. Factors that contribute to their growth and structure include temperature, pressure, and the presence of impurities. These factors affect how quickly the crystals grow and the arrangement of their atoms or molecules.


What is a regular repeating arrangement of atoms ions or molecules?

A regular repeating arrangement of atoms, ions and molecules is called a crystal. This structure has its plane faces in a symmetrical order.


What is grant molecular crystals?

Grant molecular crystals are a type of crystal structure composed of individual molecules held together by weak intermolecular forces like Van der Waals interactions or hydrogen bonds. These crystals typically have unique physical properties based on the molecular arrangement within the crystal lattice.


What is the difference between crystals and amorphous?

Crystals have a highly ordered and repeating atomic structure, which gives them distinct geometric shapes and well-defined edges. In contrast, amorphous materials lack this long-range order, resulting in a more random arrangement of atoms, which often leads to a lack of defined shapes and edges. This difference in structure affects their physical properties, such as melting points and optical behaviors. Ultimately, crystals exhibit anisotropic properties, while amorphous materials are typically isotropic.


What is a natural non-living material with a uniform structure throughout?

A crystal is a natural non-living material with a uniform structure throughout. Crystals are made up of atoms or molecules arranged in a regular, repeating pattern that extends in all directions. This uniformity gives crystals their distinct properties, such as clarity and shape.


Pieces of a solid substance with a regular shape?

Crystals are pieces of a solid substance with a regular shape that form through a process of repeating patterns in their atomic structure. The symmetry and arrangement of molecules within the crystal lattice determine its shape and properties. Crystals can be found in various minerals, gemstones, salts, and metals.


What solid has a regular repeating internal structure?

A crystal is an example of a solid that has a regular repeating internal structure. In crystals, atoms or molecules are arranged in a precise, repeating pattern called a crystal lattice, which gives the crystal its characteristic shape and properties.