Hydrogen.
4
A hydrogen atom can form only one bond.
1 (apex)
An atom can make a number of covalent bonds equal to the number of electrons it needs to fill its outer shell
Hydrogen.
Each hydrogen can form one bond with selenium. Each selenium atom can form two bonds, one with each hydrogen (2 hydrogen atoms total).
4
1.
A hydrogen atom can form only one bond.
one hydrogen bond
3
H3O, Hydronium ion, has a total of three hydrogen bonds. These are single bonds from hydrogen to oxygen and form cation with +1 charge.
Chlorine usually forms ionic bonds with metals and covalent bonds with nonmetals,but it also forms coordinate bonds in some cases ,in HCl chlorine may form hydrogen bonding.
1 (apex)
An atom can make a number of covalent bonds equal to the number of electrons it needs to fill its outer shell
According to the HONC rule. Hydrogen can form one bond. Oxygen can form two bonds. Nitrogen can form three bonds. Carbon can form four bonds.