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Answered 2008-05-08 19:43:12

Hydrogen has a valency of 1

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What is the valency of c and hydrogen in CH4?

Valency of carbon is 4 and for hydrogen 1


Does hydrogen have a valency of positive 1 or negative 1?

hydrogen always has a valency of +1


What is the valency of hydrogen and why?

The valency of hydrogen is +1 because it has a tendency to lose an electron while combining with an Elelment. This gives it a positive valency.


What is hydrogen valence?

The valency of hydrogen in one.


What is the valency of a hydrogen carbonate ion?

A hydrogen carbonate ion has the formula HCO3- so the valency of a hydrogen carbonate ion is -1.


What valency is Hydrogen?

1


What is the valency of the smallest element?

the smallest element is hydrogen of which its valency is one.


What is the valency of hydrogen chloride?

Hydrogen chloride is a neutral compound made of H+ and Cl- ions. Therefore, it has no valency.


What is the formula h3p?

I'm betting on hydrogen phosphide (hydrogen which has a valency 1 combines with phosphide which has a valency 3)


What is the valency of hydrogen sulphide?

Hydrogen sulphide is neutral.


What is the valency of hydrogen sulphate?

H2so4-


What is the valency of sulphur in hydrogen sulphide?

2-


Does oxygen exihibit variable valency?

it does. for example in H2O oxygen has a valency 2 while in hydrogen peroxide H2O2 oxygen exhibits valency 1


What are the factors on which strength of hydrogen bond depends?

It all depends on the valency of Hydrogen with other elements.


How is hydrogen like alkali metals?

hydrogen is an alkali metal because it has "one" valency or due to its oxidation no.


Does the valency of hydrogen change?

Possible valencies: +1, 0, -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


How does valency of element with respect to hydrogen vary in a period?

in a period from left to right valency of elements with respect to hydrogen increases from 1 to 4 and then decreases upto 1 and with respect to oxygen increases from 1 to 7.


What is the examples of valency and oxidation state?

oxidation state is always represented with a positive or negative sign but valency has no sign the valency of hydrogen is one but the oxidation state may b plus 1 or minus 1


Monovalent element in chemistry with example?

elements whose valency is 1.. lyk hydrogen


What is hydrogen ions and will take as many as possible?

When hydrogen loses one electron from its 1s atomic orbital, then it forms hydrogen ion. Hydrogen ion only take that atom which has only -1 valency .


What are examples of elements with one as their valency i.e.give examples of monovalent elements.?

hydrogen silver gold


What is the similarity between Hydrogen and elements in group 1 periodic table?

They have 1 valency electron.


What is the valency of hydrogen carbonate?

-1 hco3-1 all bases are - and most if not all the ones with hydrogen in front are -1 for example- hydrogen sulfate (hso4-1)or hydroxide (oh-1)


How does Cl2 having valency 0 react with H2 also having valency 0 to form HCl with covalent bond?

Valency relates to atoms not molecules. A valency of one means that an atom can form one bond. Chlorine has 7 electrons in its outer shell, so forming one bond achieves the octet, so it is said to have has a valency of one. In Cl2 there is a single bond. Hydrogen has just one electron in its outer shell so forming a bond gives it a full shell of two like helium, it therefore has a valency of one. In H2 there is a single bond. In HCL there is a single bond. Valency is an old idea, predating Lewis diagrams, octets, and energy levels. It was the number of hydrogen atoms an elemnt could bond to.


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