Valence is how many bonds an atom can form. Oxidation number can be though of as being similar to the charge on an ion, and is based on the difference in electronegativity between bonded atoms. If something is bonded to a more electronegative element, its oxidation state is positive, and if it is with a less electronegative on the state is positive. In a neutral substance the sum of the oxidation states is always zero. Valence and oxidation states are related, though.
Example: In formaldehyde (CH2O) hydrogen has a valence of 1, oxygen a valence of 2, and carbon a valence of 4. Carbon is more electronegative than hydrogen, and less electronegative than oxygen. As a result, each hydrogen atom has an oxidation state of 1+ and the oxygen is in the 2- oxidation state. This puts carbon in an oxidation state of 0.
The valency for plumbic is +4. This means that plumbic compounds typically have a charge of +4.
PO4^-3 is an ion.So its valency is -3
The valency of bromide ion (Br-) is -1.
Halogens have a valency of -1.
Overall the valency is 2.5. 2 of the S atoms have a valency of 2 and 2 of the S atoms have a valency of 3.
There is not much difference in both of them
There is no potential difference between identical charges
This indicates the valency of the element... for eg:- iron(II) this means that iron has the valency of two in this particular reaction.... but iron also do have the valency three... To create a difference between the iron of valency two... and iron of valency three.. they write the roman numeral..
In general, ionic bonds form between a metal and a nonmetal while covalent bonds form between two nonmetals. In the chemical formula, if the elements involved are from opposite sides of the periodic table, it is likely to be an ionic bond. If the elements are close to each other on the periodic table, a covalent bond is more likely.
The difference between the positive charges (protons) and the negative charges (electrons).
The valency of sodium phosphate is determined by the charges of the individual ions in the compound. Sodium (Na) is a group 1 element with a valency of +1, while phosphate (PO4) has a charge of -3. To balance the charges in the compound, three sodium ions (each with a valency of +1) are needed for every one phosphate ion (with a valency of -3). Therefore, the valency of sodium phosphate is +1 for sodium and -3 for phosphate.
The valency of M in M3O4 is +3. This is because there are three M atoms for every four O atoms, so each M atom must have a valency of +3 to balance the charges in the compound.
Calcium's valency is 2. neither 3 nor 5, actually the difference of the two; that is 2.
Floating charges will change and fixed charges will stay the same. The stipulations should be detailed in the fine print or contract regarding the specific charges.
The difference in electric potential between two points is what causes charges to move. When there is a potential difference, charges will flow from the higher potential to the lower potential, generating an electric current. This movement of charges is essential for the functioning of electrical circuits.
Sorry i dont know
Copper II sulphate has variable valency properties, which translates to variable charges.