In CuO the oxidation state of Cu is +2 and is called cupric oxide, or copper-II oxide (do NOT pronounce as dioxide).
In Cu2O the oxidation state of Cu is +1 and is called cuprous oxide, or copper I oxide or di-copper oxide.
Selenium typically has an ionic charge of -2 when forming compounds.
Selenium fluoride bond is polar because fluorine is more electro-negative than selenium. Hence the shared paired of electrons are more towards fluorine giving fluorine a partial negative charge and selenium a partial positive charge.
In a water molecule, the hydrogen atoms have a partial positive charge. This is because the oxygen atom is more electronegative than hydrogen, pulling electron density towards itself and creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms.
selenium has a -2 charge. when it forms a compound with another atom the charge of the compound should be zero unless it has a cahrge in its equation. when compounds form they try to be in the most stable state which is when all their valance elctrons are full which means the charge is zero.
The water molecule has a partial negative and partial positive charge because it is a polar molecule. Electrostatic attraction between the partial negative and partial positive molecules gives the water molecule its partial charge.
Selenium form anions.
Yes, the bond between nitrogen (N) and selenium (Se) is polar because there is a difference in electronegativity between the two atoms. Nitrogen is more electronegative than selenium, causing a partial negative charge on nitrogen and a partial positive charge on selenium.
Selenium typically has an ionic charge of -2 when forming compounds.
Selenium fluoride bond is polar because fluorine is more electro-negative than selenium. Hence the shared paired of electrons are more towards fluorine giving fluorine a partial negative charge and selenium a partial positive charge.
In general, you would expect chlorine (Cl) to have a partial positive charge when it is bonded to a more electronegative atom. For example, in compounds like HCl or CH3Cl, the electron density is more strongly drawn towards the more electronegative atom, leaving the chlorine with a partial positive charge.
The Se-Cl bond in SeCl2 is polar covalent. Chlorine is more electronegative than selenium, so it attracts the shared electrons in the bond more strongly, leading to an uneven distribution of electron density. This results in a partial negative charge on chlorine and a partial positive charge on selenium.
In a water molecule, the hydrogen atoms have a partial positive charge. This is because the oxygen atom is more electronegative than hydrogen, pulling electron density towards itself and creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms.
The Se-Cl bond in selenium chloride SeCl2 is polar covalent. This is because chlorine has a higher electronegativity than selenium, resulting in an uneven sharing of electrons in the bond. Chlorine, being more electronegative, attracts the shared electrons more towards itself, giving it a partial negative charge and selenium a partial positive charge.
In most compounds, the nitrogen in NH2 has a partial negative charge while the hydrogen each carry a partial positive charge. It can also exist as the Amide ion with a full negative charge.
This is a polar molecule.
Polar compounds have poles that have a partial positive charge and a partial negative charge that attract other polar molecules. Nonpolar compounds do not have partially charged poles, so the polar substance is not attracted to them and they don't dissolve.
selenium has a -2 charge. when it forms a compound with another atom the charge of the compound should be zero unless it has a cahrge in its equation. when compounds form they try to be in the most stable state which is when all their valance elctrons are full which means the charge is zero.