Helium do not form ions.It has only zero Oxidation number.
No as it doesn't as it doesn't form compounds. The only possible oxidation number is zero for elemental helium
Helium does not form any known stable compounds, and thus it is nearly always in the 0 oxidation state.
There is no oxidation number, nor are there common oxidation states for helium, so 0.
The oxidation number for helium (He) is 0. Helium is a noble gas with a full outer electron shell, so it does not readily form bonds and exists in its elemental form with a neutral charge.
Zero. Elemnts always have a zero oxidation state hoever they are bonded. Helium is a noble gas, monoatomic and forms no compounds so as it happens it is always zero.
0 oxidation state
Most common oxidation state of Helium is 0, in which it is in elementary and unreacted form
For HClO oxidation No. is '0' . It is a neutrally charged molecule. However, The chlorine atom is in oxidation state (+1). How so???? you may ask . Using oxygen as that standard at '-2' , and hydrogen at '+1' We create a little sum +1 + Cl -2 = 0 ( overall charge on the molecule). Collecting terms Cl - 1 = 0 Cl = + 1 as required. NB When dissolved in water chlorine disproportionates. That is it simultaneously oxidises and reduces., Cl2(aq) = Cl^(+)(aq) + Cl^(-)(aq) It reacts with water molecules to form ;- Cl2 + H2O = HClO + HCl The supply of drinking water from public sources has chlorine bubbled through to act as a bacteriocide (kill the bugs). So tap/faucet water is a very weak solution of hydrochloric acid(HCl) and Hydrogen chlorate(bleach)(HClO). It won't harm you, because the solution is so weak, but just enough to kill the bugs.
Noble gases, such as helium, neon, argon, krypton, xenon, and radon, will never have a positive oxidation number. This is because they have a full outer electron shell, making them stable and unreactive.
The oxidation number of acetate (CH3COO-) is -1. The carbon atom has an oxidation number of +3, each hydrogen atom has an oxidation number of +1, and the oxygen atoms have an oxidation number of -2.
The oxidation number of each hydrogen in H2CO2 is +1, while the oxidation number of each carbon in CO2 is +4. This is because hydrogen usually has an oxidation number of +1, and oxygen usually has an oxidation number of -2.
Silicon's oxidation number is +4.Oxygen's oxidation number is -2