Atoms can combine with atoms of the same element (for example, oxygen, hydrogen or a lump of carbon). The number of different combinations of atoms (making compounds) is vast. From only about 100 elements we get the millions of different materials we see around us every day.
Where Refunds Apply. The Steam refund offer, within two weeks of purchase and with less than two hours of playtime, applies to games and software applications on the Steam store. Here is an overview of how refunds work with other types of purchases.
Step-By-Step Instructions. 1  Navigate to Steam Help (help.steampowered.com) and log in with your Steam account. 2  After you have logged in, click on A Purchase. 3  Find the purchase you would like to refund and click on it. 4  Select the problem you are having with the product. 5  Next, click I'd like to request a refund. 6  Fill out and submit the request form. 7  P