In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons and 10 electrons, so the water molecule is neutral. The electron cloud model ...

The atoms bond because there is a strong enough attraction in both directions and room for the electrons in the outer energy level of the atoms. When two hydrogen atoms and an oxygen atom get close ...

Carbon can form long chains with only its own atoms, and it has a dozen or more allotropes (shapes of carbon-only molecules) ...

The dot and cross diagram shows that a water molecule is made up of one oxygen atom joined to two ... Nitrogen atoms can form three covalent bonds, so a triple bond forms between them.

Instead, they are made entirely from “organic building blocks” connected by covalent bonds. According to Yaghi ... but allow other gases, like oxygen and nitrogen, to pass through.