Hello and welcome to Teach Kids Chemistry! Today, we will be exploring the fascinating element known as ruthenium. Ruthenium is a rare transition metal that is found in the Earth’s crust and has a variety of interesting properties. In this overview, we will learn about its atomic structure, physical and chemical properties, and its uses in everyday life. So, let’s dive in and discover the wonders of ruthenium!
The Periodic Element Ruthenium Overview
Ruthenium is a chemical element with the symbol Ru and atomic number 44. It is a transition metal and is located in period 5 and group 8 of the periodic table. Ruthenium has an atomic mass of 101.07 u and its nucleus contains 44 protons and 44 electrons. The number of neutrons in ruthenium can vary, with the most common isotope having 52 neutrons. Ruthenium is a hard, silvery-white metal that is solid at room temperature and has a density of 12.45 g/cm³. It is a member of the platinum group metals and is found in ores with other metals such as platinum, palladium, and rhodium.Ruthenium has a high melting point of 2,334 °C and a boiling point of 4,697 °C. It is a good conductor of electricity and has a specific heat capacity of 0.238 J/g·K. Ruthenium is a relatively rare element and is not found in large quantities in the Earth’s crust. It is used in various applications such as in the production of hard disk drives, electrical contacts, and in the chemical industry as a catalyst. Ruthenium is also used in jewelry and as a coating for other metals to improve their corrosion resistance. Ruthenium has an electronegativity of 2.2, making it a moderately reactive metal.
Everyday objects that contain the periodic element ruthenium?
There are many everyday objects that contain chemicals or compounds that can be used to teach chemistry concepts. For example, water is a compound made up of two hydrogen atoms and one oxygen atom, and can be used to teach about chemical formulas and the properties of compounds. Salt, which is made up of sodium and chlorine ions, can be used to teach about ionic bonding and the properties of solutions. Baking soda, which is sodium bicarbonate, can be used to teach about chemical reactions and the properties of acids and bases. Other examples include vinegar, which is acetic acid, and aspirin, which is acetylsalicylic acid. By using everyday objects that contain chemicals, students can learn about chemistry concepts in a relatable and understandable way.
Differences in the periodic element ruthenium across states of matter
The state of an element can vary greatly depending on its temperature and pressure. At standard temperature and pressure (STP), most elements are either solids or gases. Solids have a fixed shape and volume, while gases have neither. As temperature and pressure increase, some solids can become liquids, which have a fixed volume but take the shape of their container. As temperature and pressure continue to increase, some liquids can become gases, which have neither a fixed shape nor volume. At extremely high temperatures and pressures, some gases can become plasmas, which are highly ionized and conductive. Plasmas are often found in stars and lightning bolts, and have unique properties such as the ability to emit light.
Is the periodic element ruthenium dangerous or radioactive?
Ruthenium is a chemical element with the symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Ruthenium is not considered to be a particularly dangerous or radioactive element. It is a hard, silvery-white metal that is relatively inert and stable in air and water. While it can form toxic compounds, it is not generally considered to be a significant health hazard. Ruthenium is used in a variety of industrial and scientific applications, including in the production of electrical contacts, catalysts, and alloys.
Is the periodic element ruthenium rare and expensive?
Ruthenium is a rare and expensive element. It is a transition metal that belongs to the platinum group and is found in ores with other platinum group metals. It is a hard, silvery-white metal that is corrosion-resistant and has a high melting point. Ruthenium is used in various applications, including electronics, catalysis, and jewelry. Due to its rarity and high demand, ruthenium is one of the most expensive metals in the world, with a price per gram that can exceed that of gold.
Learn about all the elements with a periodic table!