Does the molecule itself have physical properties, is the nature of the molecule this?

Physical properties are not macroscopic concepts, they can refer to molecules; ions, etc. As for the sentence that "the molecular properties of the same substance are the same, the molecular properties of different substances are different", it is wrong. Because the properties are divided into two major properties, physical and chemical.

And some molecules have the same physical properties, so this sentence is wrong.

Yes, such as mass, volume, etc., true/false, pure matter is like this, but there are many kinds of molecules in the mixture, so they all have an impact on the properties of the substance, so the judgment is wrong.

What is the density of a single electron? Good question! No one on Earth has yet studied the density of a single electron, because the volumetric mass of a single electron has not yet been figured out! You can be the first!

How many molecules show physical properties? Personally, it's hard to say how many of them there are, and it may be one or n, because as long as it is a substance, it will have physical and chemical properties! Maybe because of how much he will affect his properties, I think nanoscale materials reflect the difference in his properties, and there may be things like nanoscale lubricating particles used in the future scientific and technological development!

As long as humanity does not continue to waste and destroy the earth, the properties of monoatoms may really be used in the distant future!

This is my personal understanding!

Physical properties refer to the melting point, boiling point, color, smell, density, etc. of a substance, and a single molecule is said to have inappropriate physical properties, but a large number of molecules can be composed of a substance.

Matter is made up of molecules, and it is wrong.

Matter is the physical objects and fields that make up all objects in the universe. All entities in the world are matter, and the human body itself is also matter. In addition to these physical objects, light, electromagnetic fields, etc., are also substances, and they are substances that appear in the form of fields.

All objects that can be seen with the naked eye are made up of atoms, which are made up of interacting subatomic particles, including nuclei made up of protons and neutrons, and electron clouds of many electrons.

Form of matter: In physics, there are six forms of matter: solid, liquid, gaseous, plasma, Bose-Einstein condensate, and fermion condensate. Solid matter has shape and volume, and their molecules are tightly bound together.

Liquid substances also have volume, but no shape, in contrast, their molecules are loosely bound so that liquids can be poured into a container to measure their volume.

Gases have neither volume nor shape, and their molecules move freely, thus filling any container that can seal them. The plasma state is made up of an equal amount of negatively charged electrons and positively charged ions. A Bose-Einstein condensate is a sudden "condensation" of atoms in different states to the same state (usually the ground state).

That is, atoms in different states "condense" to the same state.

1. Properties of molecules:

a.The molecule is small: invisible to the naked eye

b Molecules are constantly moving: the temperature increases, the speed of movement increases, such as the fragrance of flowers can be smelled in the distance; Wet clothes dry quickly in a sun-drenched area

c There is a gap between molecules: generally speaking, the separation between gas molecules is large, and the separation between solids and liquids is small, so the gas can be compressed, such as pumping air into the tire, and the solid and liquid are not easy to be compressed

d The molecular properties of the same substance are the same, and the molecular properties of different substances are different.

2. Definition of molecule: A molecule is the smallest particle that retains the chemical properties of a substance

A substance composed of molecules, the molecule itself does not change when the physical change occurs, and when the chemical change occurs, the molecule itself changes and becomes the molecule of other substances For example: when water becomes water vapor, the water molecule itself does not change, but the interval between the molecules becomes larger When sulfur is burned in oxygen, the sulfur molecule and the oxygen molecule change, and the molecule of sulfur dioxide is generated

3. Mixtures and purities.

A mixture is made up of two or more substances mixed (or composed of different kinds of molecules) that do not react with each other Each component in the mixture maintains the original properties of each substance Such as air, clarified lime water, etc. are mixtures The amount of each component in the mixture sometimes changes, so there is no fixed composition, and there is no fixed nature of the ascending front Pure matter is composed of one substance (or the same molecule) There are fixed compositions and properties in pure substances Such as oxygen, Carbon dioxide, potassium chlorate, etc., but absolutely pure substances are not

The essential difference between molecule and atom is described as follows:

Essential difference: Molecule is a kind of particle that maintains the chemical properties of matter, and molecules can be redivided in chemical transformation. Atoms are the smallest particles in chemical change and are indivisible.

The commonality of microscopic particles: the volume is small, the mass is also very small, it is constantly moving, and there is a certain separation between the particles. The molecular (atomic) chemical properties of the same substance are the same, and the molecular (atomic) chemical properties of different substances are different.

Connection: Molecules are made up of atoms, and molecules, atoms are all particles that make up matter.

Historical developments are different.

The formulation of atoms predates molecules. In 1789, the French scientist Lavoisier defined the term atom, and since then, the atom has been used to denote the smallest unit of chemical change. The first to propose the exact idea of the molecular fiber was Avogadro, who published the molecular theory in 1811, arguing:

An atom is the smallest particle that participates in a chemical reaction, while a molecule is the smallest particle that a single substance or compound can exist independently in the free state.

Atom Introduction: 1) Concept: An atom is the smallest particle in a chemical change.

Note: The atom is not the smallest particle, but it is the "smallest particle" in the range of chemical changes, and it can also be further divided, such as the nuclear fission during the atomic bomb, which is the change of the atom.

2) An atom is a particle that directly makes up matter.

Substances directly composed of atoms are: noble gases, metal elements and certain non-metal elements and compounds, such as diamond, graphite, silicon dioxide, etc. Atoms maintain the chemical properties of substances that are directly constituted by atoms.

Essential Difference Between Molecule and Atom:

First, the structure is different:

A molecule is a whole that is bound together by the atoms that are composed of atoms according to a certain bonding order and spatial arrangement, and this bonding order and spatial arrangement relationship is called molecular structure. Due to the interaction between atoms within a molecule, the physical and chemical properties of a molecule depend not only on the type and number of constituent atoms, but also on the structure of the molecule.

Atoms refer to the basic particles that are inseparable from chemical reactions, and atoms are inseparable in chemical reactions. But in the physical state it can be divided, and an atom consists of a nucleus and electrons moving around the nucleus. Atoms are made up of electrons, protons, and neutrons (hydrogen atoms are made up of protons and electrons).

Second, the physical properties are different.

All the molecules that make up matter are in a never-ending irregular motion. The higher the temperature, the faster the molecular diffusion, and in solids, liquids, and gases, the gas diffusion is the fastest. Since the motion of molecules is related to temperature, this motion is called the thermal motion of molecules.

For example, clothes are easy to dry in hot weather, and the molecular diameter is generally on the order of 10 -10m. The molecule is small but has a certain volume and mass.

The mass of the atom is very small and it is constantly moving irregularly. There is a gap between the larger atoms, and the properties of the same kind of atoms are the same, and the properties of different kinds of atoms are different. Each element has one or more isotopes that have unstable nuclei that can withstand radioactive decay, a process in which they can emit particles or electromagnetic radiation.

Third, the chemical properties are different.

Molecules have a certain size and mass; There is a certain interval between molecules; Molecules are in constant motion; There is a certain force between molecules; Molecules can be made up of matter, and molecules can also be divided into smaller particles: atoms in chemical changes. Molecules can be converted into each other in the 3 states with the change of temperature.

Roll acres of potatoes. Electrons are distributed outside the nucleus to produce a spectrum of electron transitions, which determine the chemical properties of an element and have a great influence on the magnetic properties of the atom. All atoms with the same number of protons make up elements, each with at least one unstable isotope, that can undergo radioactive decay.

The basic properties of molecules.

1) A molecule is a kind of particle that makes up matter, and its mass and volume are very small.

Most substances in nature are made up of molecules.

2) The molecules are constantly moving at high speeds.

The higher the temperature, the greater the energy of the molecules, and the faster the movement of the molecules.

3) There is a certain interval between the molecules.

Normally, if the molecular spacing is relatively large, the substance is gaseous; If the separation between the molecules is relatively small, the bond is either liquid or solid.

According to the knowledge that molecules are in constant motion, the diffusion of explanatory substances (including dissolution, evaporation, volatilization, etc.) can be explainedAccording to the interval between molecules, the phenomenon of thermal expansion and contraction and the change of gas, liquid and solid states of matter can be explained.

The basic properties of atoms.

1) An atom is also a particle that is made up of matter, and its mass and volume are very small.

Substances that are directly composed of atoms are divided into two types at the junior high school level: metals and noble gases. For example, iron, mercury, helium, neon, etc. are directly composed of atoms.

Note: A substance that is made up of molecules, its chemical properties are maintained by molecules, and the atoms in a molecule do not maintain the chemical properties of the substance. For example, water is made up of water molecules, which maintain the chemical properties of water.

Water molecules, in turn, are made up of hydrogen atoms and oxygen atoms. But the hydrogen and oxygen atoms in it do not maintain the properties of hydrogen, nor oxygen, nor water.

If it is a substance that is directly constituted by atoms, its chemical properties are maintained by atoms. For example, in a substance like mercury, there is no mercury molecule, mercury is directly constituted by mercury atoms, and the chemical properties of mercury are maintained by mercury atoms.

2) Atoms, like molecules, are constantly moving at high speeds and irregularities.

The higher the temperature, the greater the energy, and the faster the wheel will move.

3) There is also a certain interval between atoms.

The chemical properties of a substance, depending on the composition and structure of the substance. For substances composed of molecules, the characterization of their chemical properties depends on the composition and structure of the molecules, and the corresponding chemical properties can only be exhibited when the composition and structure of the molecules change.

For atomic crystals, their chemical properties are not characterized in molecular form, such as Fe, which is composed of only iron atoms, and its chemical properties depend on the extranuclear electron configuration of iron atoms, not on the structure of the molecule, as in the case of molecules.

For ionic crystals, such as NaCl, do you say it has a molecular form? They are coupled to each other in ionic form to form ionic bonds, which are then aggregated to form a crystal lattice, thus revealing the corresponding chemical properties of the cavity.

Saying that a molecule is the smallest particle that maintains the chemical properties of a substance is a category that can be understood at the secondary school level, and I also said it on the first floor, so I won't go into details, thank you!

The smallest particles that retain the original properties of a substance are called molecules.