The formula is H 2 O so the dot and cross diagram includes two H atoms and one O atom ... The structure of nitrogen is N≡N, showing that it has three shared pairs of electrons.
The dot and cross diagram shows that a water molecule is made up of one oxygen atom joined to two hydrogen atoms, so the formula of water is H 2 O. A nitrogen ... nitrogen is N≡N, showing ...
Show the Animation Using Snap Cubes to make Atoms and Molecules. Click on “Water” and tell students that plants, animals, and all life on Earth need water to survive. Use the animation to show ...