what is Electronic congrifugation
Answers
Answer:
Group 16 elements in the modern periodic table are known as the oxygen family. The first four elements of this group are nonmetals, and they are termed as ‘the chalcogens’ or they can also be referred as ore-forming elements as most of the metal ores are oxides or sulfides. This group consists of oxygen (O), sulfur (S), selenium (Se), tellurium (Te) and polonium (Po) (a radioactive element). These elements exist in free as well as in combined state.
Explanation:
Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence. For example, the electron configuration of sodium is 1s22s22p63s1.
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