Darmstadtium (Ds) is a chemical element of the periodic table, located in the group 10 and the period 7, and has the atomic number 110. It is named after the city of Darmstadt, Germany, where it was first discovered. It is a transuranium element and is counted as one of the radioactive elements. On periodic … Read more
Meitnerium (Mt) is a chemical element of the periodic table, located in the group 9 and the period 7, and has the atomic number 109. It is named after the Austrian-Swedish physicist, Lise Meitner. It is a transuranium element and is counted as one of the radioactive elements. On periodic table group ⇨ 1 2 … Read more
Radon (Rn) is a chemical element of the periodic table, located in the group 18 and the period 6, and is having the atomic number 86. It is a colorless, odorless, tasteless gas, whose name comes from the Latin word “nitens”, which means shining. It is a member of the noble gas group and is … Read more
Xenon (Xe) is a chemical element of the periodic table, located in the group 18 and the period 5, and has the atomic number 54. It is a colorless, odorless, tasteless gas, whose name comes from the Greek word “xenos”, which means stranger. It is a member of the noble gas group. On periodic table … Read more
Krypton (Kr) is a chemical element of the periodic table, located in the group 18 and the period 4, and is having the atomic number 36. It is a colorless, odorless, tasteless gas, whose name comes from the Greek word “kryptos”, which means hidden. It is a member of the noble gas group. On periodic … Read more
Argon (Ar) is a chemical element of the periodic table, located in the group 18 and the period 3, and is having the atomic number 18. It is a colorless, odorless, tasteless gas, whose name comes from the Greek word “argos”, which means lazy or inactive. It is a member of the noble gas group. … Read more
Neon (Ne) is a chemical element of the periodic table, located in the group 18 and the period 2, and is having the atomic number 10. It is a colorless, odorless, tasteless, non-toxic gas, whose name comes from the Greek word “neos”, which means new. It is a member of the noble gas group. On … Read more
Helium (He) is a chemical element of the periodic table, located in the group 18 and the period 1, and is having the atomic number 2. It is a colorless, odorless, tasteless, non-toxic gas, whose name comes from the Greek word “helios”, which means sun. It is the first element in the noble gas group. … Read more
Iodine (I) is a chemical element of the periodic table, located in the group 17 and the period 5, and has the atomic number 53. It is a lustrous, black reactive nonmetal, whose name comes from the Greek word “iodes”, which means violet. It is counted as one of the heaviest elements in the halogen … Read more
Bromine (Br) is a chemical element of the periodic table, located in the group 17 and the period 4, and has the atomic number 35. It is a reddish-brown liquid, whose name comes from the Greek word “bromos”, which means stench. It is a reactive nonmetal and is the third lightest halogen, after the chlorine … Read more
