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The charge of potassium as metal, elementary, (pure) is zero, neutral, it is an element (K). Though in compounds it changes to an ION ( K+ ) with charge +1, because it donated its ONE outer electron to an oxidising agent (eg. oxygen).
It has a negative charge; to be more specific it has a charge of -3, since it has only 5 valence electrons and it would like to gain 3 more to be stable at 8.
That it does not gain or loose electrons.
By losing or gaining electrons so that it's Valence level is full. This turns it in to a Stable Ion with either a positive or negative charge.
The neutral atom of magnesium has no electrical charge; the ion is bivalent.
The zero charge in an atomic structure of an element is exhibited by the equal number of protons and electrons.
zero
The most stable element is any member of group ZERO or eight,they are called inert gases because they do not react,hence,stable.However,helium may be considered because it is in period 1 \having the less nuclear charge.
Zero. Only neutral ionic compounds are stable
Zero, nop, niente, nill
Zero. It will always be zero in its elemental state. Hope this helps.
Halons are a class of element, not a type of charge. As for why the halogens have the most stable charges, they don't - at least not all of them.
The charge of potassium as metal, elementary, (pure) is zero, neutral, it is an element (K). Though in compounds it changes to an ION ( K+ ) with charge +1, because it donated its ONE outer electron to an oxidising agent (eg. oxygen).
Mg as an element is zero oxygen as an element is likewise zero Mg as an ion +2 Oxgen as an ion -2 MgO compound net zero
Among others: mass zero; electric charge zero; stable (it doesn't decay); it can only move at the speed of light.
When forming a compound the chemical formula or compound is made stable with a net charge of zero by the sharing of electrons (covalent compounds/molecules) or the transfer of electrons (ionic compounds).
An oxidation number of 3 means that the element has a charge within the compound of +3. For example: AlCl3 (Aluminum chloride). Cl has a charge of -1 because it gains 1 electron during bonding to become stable so Al has to have a charge of +3 to balance the overall charge of the compound to zero.