Chlorine because it lacks one valence electron to fill it's outer shell
It’s because new discoveries are made all the time sometimes what was considered right may be found out to be wrong
Mercury expands when it is heated. This process is called thermal expansion.
TNT has the molecular formula: C7H5N3O6. And hence, when reacted in oxygen gas, you get what is known as <span>combustion</span> reaction. the reaction is: <span><span>C7</span><span>H5</span><span>N3</span><span>O6</span>+<span>O2</span>→C<span>O2</span>+<span>N2</span>+<span>H2</span><span>O</span></span>
