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H is the symbol for Hydrogen. A colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. This chemical element is part of a wide range of industries , both in applied chemistry ( hydrocarbons , fertilizers, space fuels), physics (controlled fusion of hydrogen to generate electricity), and in other areas such as pharmacology, transportation (balloons aerostatic and zeppelins), and semiconductors.

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He is helium. helium (He), chemical element, inert gas of Group 18 (noble gases)of the periodic table. The second lightest element , helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C .

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Lithium is a soft, silvery-white, metal that heads group 1, the alkali metals group, of the periodic table of the elements. It has the lowest density of all metals. It reacts vigorously with water. Lithium has no known biological role. It is toxic, except in very small doses. It's symbol is Li.

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the lightest member of the alkaline-earth metals

The atomic number is 4

The atomic weight is around 9

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In 1808, the French chemist Lussac reduced boric acid with potassium to produce boron. The content of boron in the Earth's crust is 0.001%. Boron is a black or silver-gray solid. Crystal boron is black in appearance, second only to diamond in hardness and brittle in texture

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Carbon is a kind of unreactive non-metal. Chemical symbol is C.

It is stable in room temperature. That is not poison to human body, and its density is 1.8g/cm3.

It’s boiling point is 4027 degrees and melting point/freezing point is 3550 degrees.

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Fluorine is a non-metallic chemical element with a chemical symbol of F and an atomic number of 9.

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Proposed by Lavoisier and other French scientists in 1787, the English name for nitrogen, nitrogen, means "nitrate composer". Nitrogen is usually in the form of nitrogen gas. It is colorless, tasteless and odorless, and is a chemically inert gas which is not easy to have chemical reactions, and it does not support combustion, and is slightly soluble in water and ethanol. It is used in the synthesis of ammonia, the production of nitric acid, as a substance protection agent, refrigerant.

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Ne is the symbol of Neon,Neon is a chemical element,it has atomic number 10. It is the second noble gas in the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions , with approximately two-thirds the density of air, in addition,Neon is very unreactive.

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a chemical element with atomic number 8 that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion —often used before another noun

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Aluminum, a lightweight and versatile metal, plays a pivotal role in modern industries. Known for its strength, corrosion resistance, and conductivity, aluminum finds applications in aerospace, construction, packaging, and transportation sectors. Its abundance, recyclability, and eco-friendly characteristics make it indispensable for sustainable development and technological advancement.

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phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that glows in the dark.

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Sodium is very reactive.

Color: silvery white, metallic luster.

Soft: soft, easy to cut, lightly pressed and deformed.

Low: low melting boiling point.

Conductivity: good electrical and thermal conductivity.

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Silicon is the element to thank for the computer you're using to read these words. A crucial component in microelectronics and computer chips, this extremely common element is also responsible for warm, white beaches — silica, an oxide of silicon, is the most common component of sand.

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-Magnesium is an alkaline earth metal having a shiny-grey appearance.

-Magnesium is a soft and lighter metal.

-Melting point of magnesium is 923 K and its boiling point is 1363 K, which is the lowest of all the alkaline earth metals.

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Argon emits a blue-violet glow when it is excited. Argon lasers exhibit a characteristic blue-green glow.

Most of the argon on Earth comes from the radioactive decay of potassium-40 into argon-40. Over 99% of the argon on earth consists of the isotope Ar-40.

Argon was the first discovered noble gas. Henry Cavendish had suspected the element's existence in 1785 from his examination of samples of air.

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Chlorine is a chemical element commonly used in industry and found in some household products.

When chlorine gas comes into contact with moist tissues such as the eyes, throat, and lungs, an acid is produced that can damage these tissues.

At room temperature, chlorine is a yellow-green gas under normal conditions and can be dissolved in water.

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Chromium, chemical symbol Cr, atomic number 24, belongs to the VIB group in the periodic table. The element name comes from Greek and originally means "color" because chromium compounds all have colors. The elemental material is steel gray metal, which is the hardest metal in nature. The content of chromium in the crust is 0.01%, ranking 17th. Free natural chromium is extremely rare and mainly exists in chromite. Relative density 7.15g/cm ³， Melting point 1907 ℃, boiling point 2679 ℃. Electrical resistivity 12.7x10 Ω · m (20 ℃). [1] Chromium is a hard metal with a bright blue gray luster. Chromium compounds are toxic, and chromium on Earth exists in the form of chromite. [3] Chromium is mainly used in stainless steel, electroplating, and metal ceramics. [1] Trace chromium is an essential element for life, with a toxic dose of 200mg and a lethal dose greater than 3g. High valent chromium has carcinogenic effects. [1]

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Vanadium a chemical element. Vanadium is a soft poisonous silver-grey metal that is added to some types of steel to make it stronger.

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1. Special glass and light high temperature resistant alloys: Scandium is used in the manufacture of special glass and light high temperature resistant alloys, which perform well in high temperature environments and remain stable.

2. Corrosion and heat resistance: Scandium has good corrosion resistance and heat resistance, which makes it of important application value in the electronics industry and aerospace field.

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Copper (Cuprum) is a metal element and a super-wave element. Pure copper is a soft metal. When the surface is first cut, it is red and orange with a metallic luster, and the monomer is purple-red. With good ductility, high thermal and electrical conductivity, it is the most commonly used material in cables and electrical and electronic components, and can also be used as building materials.🤡🤡🤡

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Nickel is a transition metal element named nickel. Nickel is a silver-white metal with good mechanical and ductility, insoluble in water, and has strong corrosion resistance to acids and bases. However, it is soluble in dilute nitric acid and water, and can be used to make money and other metals to prevent rust.

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Manganese, chemical element, element symbol Mn, atomic number 25, relative atomic mass 54.9380, elemental is a gray-white, hard and brittle, shiny transition metal. The relative density is 7.21g/cm³ (a, 20℃). Melting point 1244℃ and boiling point 2095℃. The resistivity is 185x10−8Ω·m (25℃).

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Cobalt is a metallic element with the symbol Co and atomic number 27, located in the eighth (or eighth) group of the periodic table. It has a steel gray and metallic luster appearance, with a hard and brittle texture. The main physical and chemical properties of cobalt are similar to those of iron and nickel, and it belongs to the iron group element.

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Gallium is a gray-blue or silver-white metal with the element symbol Ga，This metal melts when placed in the palm of your hand，The melting point of gallium is lower and the boiling point is high. The melting point is only 29.76 degrees Celsius, but the boiling point is 2403 degrees Celsius.Gallium can be used to manufacture radiation detectors and neutron detectors, as well as medical equipment such as pacemakers and heart stents.

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Titanium is a chemical element, chemical symbol Ti, atomic number 22, in the periodic table of chemical elements in the fourth period, group IVB. It is a silver-white transition metal, characterized by light weight, high strength, metallic luster, and resistance to wet chlorine gas corrosion.

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Ferrum is a metallic element with an atomic number of 26. It is in the fourth cycle of the periodic table, Group VIII. Pure iron is a silvery white shiny metal with a density of 7.86 g/cm3 and a melting point of 1539 ° C. In addition to iron conductivity, thermal conductivity, ductility, but also can be attracted to a magnet, with ferromagnetism. Important compounds of iron are iron(III) oxide, ferrosoferric oxide, ferric chloride and iron complexes. The main minerals in nature are hematite (mainly iron(III) oxide) , magnetite (mainly ferrosoferric oxide) and siderite (mainly ferrous carbonate) . It is produced industrially by mixing iron ore, coke and limestone in blast furnaces and can be divided into pig iron, wrought iron and steel according to their carbon content.

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Gallium is a gray-blue or silver-white metal with the element

symbol Ga › This metal melts when placed in the palm of your hand, The melting point of gallium is lower and the boiling point is high.

The melting point is only 29.76 degrees Celsius, but the boiling point is 2403 degrees

Celsius. Gallium can be used to manufacture radiation detectors and neutron detectors, as well as medical equipment such as pacemakers and heart stents.

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Zinc is a chemical element, with the chemical symbol Zn. Its atomic number is 30 and it is located in the fourth cycle, group IIB, in the periodic table of chemical elements. Zinc is a light gray transition metal and the fourth most common metal. In modern industry, zinc is an irreplaceable and important metal in battery manufacturing. In addition, zinc is also one of the essential trace elements for the human body, playing an extremely important role.

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group 16 non-metallic elements in the fourth period of the periodic table, element symbol Se, atomic number 34, relative atomic mass 78.96. Selenium is highly toxic and can conduct electricity and heat. The conductivity changes dramatically with the intensity of light, which can be enhanced by more than 1,000 times.

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It is a shiny, hard and brittle, gray-white carbon group quasi-metal, and its chemical properties are similar to its adjacent silicon and tin. The appearance of pure germanium is similar to that of semiconductors. Like silicon, germanium reacts spontaneously with oxygen in nature and forms a complex.

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Arsenic, group 15 quasi-metallic element in the fourth period of the periodic table, element symbol As, atomic number 33, relative atomic mass 74.922. The elemental substance exists in the form of three allotes: gray arsenic, black arsenic and yellow arsenic. Arsenic is widely found in nature, and hundreds of arsenic minerals have been found. Arsenic mainly forms alloys with copper, lead and other metals, and is also used to manufacture arsenicates, drugs and pesticides. High-purity arsenic can also be used in semiconductor and laser technology.

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Bromine is a halogen element with the chemical symbol Br and atomic number 35. It appears as a red black liquid at standard temperature and pressure, and is volatile. Bromine vapor is corrosive and toxic, and can be used in fields such as disinfection, pharmaceuticals, photography, and fire prevention.

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Strontium is a chemical element with the symbol Sr. It was discovered between 1791 and 1792. When British chemist and doctor Hope studied the ore, he confirmed that it contained a new type of soil, so he named it strontium (strontium earth) from its place of origin, Strontium.

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One of several noble gaseous elements, symbol (Kr) containing approximately krypton in 100 liters of air; 114 milliliters. Colorless and odorless, it is not easy to combine with other elements, can absorb X-rays, and can be used as a shading material for X-ray work.

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Gold is one of the densest of all metals. It is a good conductor of heat and electricity. It is also soft and the most malleable and ductile of the elements; an ounce can be beaten out to 187 square feet (about 17 square metres) in extremely thin sheets called gold leaf.