The formula is H 2 O so the dot and cross diagram includes two H atoms and one O atom. H has 1 outer electron. O has 6 outer electrons. The H circles must each overlap the O circle. Nitrogen ...

This attraction pulls the atoms together. The electrons end up being shared by the atoms in a region around the nucleus of both atoms. Hydrogen atoms are close together. The electron from each atom ...

It is not possible to locate the exact position of an electron, but the electron cloud shows the region where an electron is most likely to be. When the plastic strip is rubbed on the skin, electrons ...

2. Work out how many electrons need to be transferred. 3. Draw the electronic configuration of the resulting ions. 4. Write the charge of each ion. Here are some other examples of dot and cross ...