the energy of two separate hydrogen atoms decreases as they approach each other, and the single electrons on each atom are shared to form a covalent bond.
The reaction that would take place if hot tungsten was
surrounded by air is that it would react to the oxygen in air to form non
conducting tungsten oxide and burns out instantly.
<em>You can smell perfume because it diffuses into the air and makes its way into your nose. 2. Cigarette smoke diffuses into the air. ... A tea bag placed in a cup of hot water will diffuse into the water.</em>