Shortcut for typing Chemical reaction or Chemical Equation. Move the equation on the page. See Clues and Hints above You may wish to complete examples or practice in your lab notebook for reference.
Click on the equation button on the far right.
The product is magnesium oxide. Silver sulfide is commonly known as tarnish and turns the surface of silver objects dark and streaky black see figure below. You can also highlight the text in the equation and alter the font size and style as usual. Iron burns in air to form a black solid Fe 3 O 4.