The place of zinc, cadmium, and mercury in the periodic table pdf. Nh 3 ch 4 h 2 ohf the nature of the binary hydride is related to the characteristics of the element bonded to the hydrogen. Welcome to my lecture series on main group chemistry or the chemistry of main group elements in this lecture. Main group elements of the periodic table, element name on front and symbol on back. Inorganic chemistry of the maingroup elements pdf free. The main group elements, fragments, compounds and clusters obey the 4n rule and form 4n series. Maingroup elements of the periodic table symbols and names. It has been suggested greenwood and earnshaw, chemistry of the elements. Groups probably come in most handy when predicting the properties of an element.
Soft bases generally contain main group elements that are large and weakly electronegative e. Hydrogen hydrogen is the most abundant element in the universe, but it accounts for less than 1% by mass in the earths crust. All the elements in groups 1 and 2 are metals and all are potential reducing agents due to their capacity to form stable cations. Pdf the main group elements, fragments, compounds and. Group 18 elements, on the far right side of the table, for example, have completely full outer shells and rarely participate in chemical reactions. The only element whose isotopes are each given a different symbol and name. In chemistry and atomic physics, the main group is the group of elements whose lightest. In this lesson we are going to compare and contrast two of the largest areas on the periodic table. Classification of elements and periodic properties. These elements display diverse properties going from the more metallic elements. The main group includes the elements except hydrogen, which is sometimes not included in groups 1 and 2, and groups to 18. It is a member of the halogen saltforming group of elements and is obtained from. The sblock elements are primarily characterised by one main oxidation state.
We can therefore predict that these elements will form ionic compounds with nonmetals. Which noble gas has the highest number of compounds. We know by now that the elements are the basic units of all types of matter. Main group element an overview sciencedirect topics. It is the third most abundant element in the living system. Different ratios of heo2 are used for different depths at which the diver is. Periodic table of the elements in chemistry part 1 math tutor duration.
First, lets look at periodic table and group numbering. Group 1 elements form monocations and group 2 elements form dications. Which element binds with oxygen very readily but does not form double bonds with o. Most elements in the main group form binary compounds with hydrogen that reflect their location on the periodic table. Periodic table download periodic table pdf, groups, element. Group 15 elements occurrence and extraction physical properties metals halides, oxides, hydroxides, salts of oxoacids phosphoacids sulfides and selenides. Hard bases generally contain main group elements that are small and very electronegative e. The periodic table is one of the most important and basic topics of chemistry. A colorless, odorless gas that is totally unreactive.