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8 valence electrons
6
Hydrogen selenide is a polar compound.
Hydrogen selenide, with formula H2Se, is formed from reacting hydrogen and selenium.
hydrosulfic acid (this is not correct) It is hydrosulfuric acid (All acids containing sulfur or a sulfur-containing group, use the whole word "sulfur" rather than the stem "sulf").
It is a polar molecule which causes a dipole but it isn't polar enough to be considered a hydrogen bond. London dispersion forces always exist.
H2Se is a stronger acid than H2S. The bond energy of H2Se is less than H2S, making it easier for the hydrogen atom to leave the molecule. Therefore, H2Se is expected to be a stronger acid than H2S.
non polar
The correct formula is H2Se. Because it is an acid, hydrogen needs to be at the beginning. Hydrogen has an ionization of +1 and selenium (from which you get selenic) has -2, so you'll need 2 atoms of hydrogen (H) to balance out 1 atom of selenium (Se). So you'll have H2Se.
SeO4-2
8 valence electrons
6
The bond in H2Se is polar.
hydrogen bonding
Hydrogen selenide (H2Se) has two bonds.
Hydrogen bonding
No, as hydrogen-and selenium are both nonmetals the bonds are covalent.