In group theory, a branch of abstract algebra, a cyclic group or monogenous group is a group that is generated by a single element. This is not true for the noble gases. Their uses depend on their inertness, low density and non-flammability. Down 1. They show trends in their physical properties. 4. The chemical inertness of the noble gases is explained. As you move down the group (He, Ne, Ar, etc), the boiling points increase. The noble gases are another family of elements, and all of them are located in the far right column of the periodic table. These are called noble gases and all of them are non-reactive or inert. A noble gas atom is non-polar, meaning that its electrons are distributed evenly around the atom ON AVERAGE. What word describes a chemical that is unreactive? They show trends in their physical properties. The physical properties of the noble gases are described and the group trends of noble gases in terms of melting points, boiling points, density, chemical reactivity and atomic radii An additive identity is the identity element in an additive group.It corresponds to the element 0 such that for all x in the group, 0 + x = x + 0 = x.Some examples of additive identity include: The zero vector under vector addition: the vector of length 0 and whose components are all 0.Often denoted as or →. Additive identities. Across 2. The group 0 elements, the noble gases, are all unreactive non-metal gases. The elements in this group have a silvery white color and tarnish on contact with air. For all of you budding chemists, the far right is also known as Group Zero (Group 0) or Group Eighteen (Group XVIII). Helium only has 2 electrons in its outer shell, while the others all have 8. Why is group 0 not called group 8, even though it comes after group 7? On the right hand column of the periodic table, you will see elements in group 0. What state of matter are all Group 0 elements in at room temperature? Their uses depend on their inertness, low density and non-flammability. I'll assume that when you say "group 0", you mean the noble gases. The group 0 elements, the noble gases, are all unreactive non-metal gases. In the rest of the periodic table, the number of the group is the same as the number of outer shell electrons in the atoms of that group. A powerpoint presentation, designed to be used with the interactive whiteboard looking at Group 0. This is a list of the 118 chemical elements which have been identified as of 2021. The Group 0 elements, the NOBLE GASES consist of helium, neon, argon, krypton, xenon and radioactive radon. It does have to do with more electrons. 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