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One, between their only electrons.
Hydrogen.
the Hydrogen molecule has a single covalent bonds between its constituent atoms.
1
4
one hydrogen bond
One, between their only electrons.
How many hydrogen bonds exist between A and T?
Hydrogen.
the Hydrogen molecule has a single covalent bonds between its constituent atoms.
1
4
Each hydrogen can form one bond with selenium. Each selenium atom can form two bonds, one with each hydrogen (2 hydrogen atoms total).
1.
A hydrogen atom can form only one bond.
3
They are made of triple bonds. (3)