Geography, asked by ABCD2056, 1 year ago

monovalent and divalent meaning

Answers

Answered by aroushpotterhead15
5
here is ur answer

monovalent means an element having valency of 1
divalent means an element having valency of 2.


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tanmayee33: actually monovalent means(valent means an extract)more valents divalent means having two...i think...i hope this answer would be correct
Answered by DreamGirl01
8

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HERE IS YOUR ANSWER.............

In chemistry, the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. The concept of valence developed in the second half of the 19th century and helped successfully explain the molecular structure of inorganic and organic compounds.

Valence  More common adjective‡  Less common synonymous adjective‡§

0-valent  zerovalent  nonvalent

1-valent  monovalent  univalent

2-valent  divalent  bivalent

3-valent  trivalent  tervalent

4-valent  tetravalent  quadrivalent

5-valent  pentavalent  quinquevalent / quinquivalent

6-valent  hexavalent  sexivalent

7-valent  heptavalent  septivalent

8-valent  octavalent  —

9-valent  nonavalent  —

10-valent  decavalent  — multiple / many / variable  

Many elements have a common valence related to their position in the periodic table, and nowadays this is rationalised by the octet rule. The Greek/Latin numeral prefixes (mono-/uni-, di-/bi-, tri-/ter-, and so on) are used to describe ions in the charge states 1, 2, 3, and so on, respectively. Polyvalence or multivalence refers to species that are not restricted to a specific number of valence bonds. Species with a single charge are univalent (monovalent). For example, the Cs+ cation is a univalent or monovalent cation, whereas the Ca2+ cation is a divalent cation, and the Fe3+ cation is a trivalent cation. Unlike Cs and Ca, Fe can also exist in other charge states, notably 2+ and 4+, and is thus known as a multivalent (polyvalent) ion.

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