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single valency. last orbit has 7 electrons.
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What is the valency of an element sodium chloride?
the valency of element sodium chloride is 1
What is the name of CuCl2?
Copper Chloride
Why PCl3 is called phosphorus trichloride but AlCl3 is aluminium chloride?
Aluminium has a valency of 3 and forms a compound called aluminium chloride with chlorine . It is stable . But phosphorus has a valency of 3 and 5. Hence , it is called phosphorous trichloride and phosphorous pentachloride.
What is the valence of potassium chloride?
Valence = 1..
What is the valency of lithium?
valency of lithium - 1
What is the valency of an element sodium chloride?
the valency of element sodium chloride is 1
Symbol and valency of chloride?
Symbol: Cl-Valency: -1.
Why the valency of Na is not 4 in NaCl crystal?
1 sodium combines with 1 chloride to form sodium chloride and so the valency is '1' and not 4...
What is the name of CuCl2?
Copper Chloride
When do you use roman numerals in an element?
we usually use roman numerals in writing names of compounds of transitional elements which have more than one valency . for example we have two compounds of iron chloride , iron(II)chloride and iron(III)chloride depending on the valency of iron in each compound.
What common feature is shared by the sodium and chloride ions?
Their valency is one. They both belongs to the third period.
What is the balanced equation for silver chloride?
AgCl It always has a valency of +1, though it is a transition metal
Why is ferric chloride preferred over potassium chloride in a wound?
coagulating power of an electrolyte is proportional to its valency. Since valence of Fe3+ is higher compared to that of k+ , it is preferred over potassium chloride
Why PCl3 is called phosphorus trichloride but AlCl3 is aluminium chloride?
Aluminium has a valency of 3 and forms a compound called aluminium chloride with chlorine . It is stable . But phosphorus has a valency of 3 and 5. Hence , it is called phosphorous trichloride and phosphorous pentachloride.
What is the valence of potassium chloride?
Valence = 1..
Radical - positive and negative radical in chemistry?
Valency is the number of hydrogen atoms that can combine with [or displace] one atom of the element [or radical] to form a compound. For example, one atom of hydrogen combines with one atom of chlorine to form hydrogen chloride [HCl]; so, the valency of chlorine [chloride] is one. Similarly, the valency of the nitrate radical [NO3] in the compound nitric acid [HNO3] is 1, and the valency of the sulfate radical in the compound sulfuric acid [H2SO4] is 2. For elements that do not combine with hydrogen, the valency is the combining power of the element with another element whose valency is known. Valency may also be defined as the number of electrons that an atom donates or accepts to form the duplet state (i.e., 2 electrons in outermost shell) or octet state (i.e., 8 electrons in outermost shell). The valency of an element [or radical] is always a whole number. Elements [or radicals] with valency one are monovalent, those with valency two are divalent, and those with valency three are trivalent
What do the roman numeral in a chemical formula mean?
They refer to the valency of the metal in the compound, such as Iron II or Iron III chloride.
