Welcome to the Periodic Table category, the cornerstone of chemical knowledge. Explore the fascinating arrangement of elements that forms the basis of our understanding of matter. Delve into the periodic trends, such as atomic size, electronegativity, and ionization energy, which govern the behavior of elements. Discover the properties and characteristics of different groups and periods within the table. Unravel the significance of periodicity in predicting chemical reactivity and understanding the relationships between elements. Immerse yourself in the captivating realm of the periodic table and unlock the secrets of the building blocks of the universe.
Argon is a chemical element with the symbol Ar and atomic number 18. It is a colorless, odorless, tasteless, and non-toxic gas that is a member of the noble gases group in the periodic table. Argon is the third most abundant gas in the atmosphere, after nitrogen and oxygen. It does not react with any … Read more
Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a highly reactive, yellow-green gas that belongs to the halogen group in the periodic table. It is highly reactive and forms compounds with almost all other elements. Chlorine is named after the Greek word chlóros, meaning “pale green“, and refers … Read more
Sulfur is a chemical element with the symbol S and atomic number 16. It is a yellow, non-metal, tasteless, and odorless solid that is abundant in nature. Sulfur is found in many forms, including elemental sulfur, which is a yellow, crystalline solid, and sulfur dioxide, which is a colorless gas. Sulfur has been known since … Read more
Phosphorus is a chemical element with the symbol P and atomic number 15. It is a highly reactive non-metal that is a pale yellow, waxy solid at standard temperature and pressure. Phosphorus is found in small amounts in the Earth’s crust, and is a component of many minerals, including apatite, which is the primary source of … Read more
Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle, gray-white metalloid that belongs to the group 14 elements in the periodic table. About 90% of the minerals that make up the rocks of the Earth contain silicon. It is therefore a very common element in the … Read more
Aluminium is a chemical element with the symbol Al and atomic number 13. It is a silvery-white, soft, non-magnetic, and ductile metal that belongs to the boron group in the periodic table. It is highly reactive and reacts with water to form aluminum hydroxide and hydrogen gas. Although aluminum is the most common metal in … Read more
Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid that belongs to the alkaline earth metals group in the periodic table. It is highly reactive and reacts with water to form magnesium hydroxide and hydrogen gas. The name magnesium comes from the Greek word Magnesia. This … Read more
Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal that belongs to the alkali metals group in the periodic table. Sodium is the sixth most abundant element on Earth, and is a component of many minerals, including feldspars, sodalite, and rock salt. The … Read more
Neon is a chemical element with the symbol Ne and atomic number 10. It is a colorless, odorless, tasteless, and non-toxic gas that is the second lightest noble gas in the periodic table. Neon is a rare element, making up only 0.001% of our atmosphere. Part of this percentage was lodged in the rocks of … Read more
Fluorine is a chemical element with the symbol F and atomic number 9. It is the most reactive and electronegative element, and is a pale yellow, corrosive, and toxic gas at standard temperature and pressure. Fluorine is the lightest halogen, and is the most powerful oxidizing agent known. It is highly reactive and forms compounds … Read more
