The dichromate ion, Cr₂O₇²⁻, is a vibrant orange-colored chemical species often encountered in redox reactions. Understanding its behavior hinges on determining the oxidation number of chromium (Cr) ...

Exchanging phone numbers is something many of us do regularly. Perhaps to stay in touch with a new friend, follow up on a potential business opportunity or form a new romantic connection. But ...

Use this page to revise the following concepts within redox reactions: Rule 1: For elements, their oxidation numbers are all 0. Examples: \(\text{O}\) in \(\text{O}_2 ...

Learn to use the free budget template for 2025! Track finances in Google Sheets, Excel, or Numbers. Master budgeting and stick to your financial goals this year. What a new California law means for ...

What’s so magical about the number 13? You’re about to find out. 😮 In this tutorial, I’ll teach you a clever card trick that uses the power of the number 13 to leave your audience stunned — and it's ...

Zach was an Author at Android Police from January 2022 to June 2025. He specialized in Chromebooks, Android smartphones, Android apps, smart home devices, and Android services. Zach loves unique and ...

One of the world’s most famous hip-hop artists, Cardi B, is making a splash in China, triggering a fashion trend of women and men copying her makeup style. The 32-year-old New York City native burst ...

There are many reasons to want to block specific numbers on your phone. Whether it's nuisance spam callers, or a particularly persistent ex you no longer want to talk to, the humble Block option is a ...

In chemistry, the concept of oxidation numbers is a crucial one for understanding various chemical reactions and compounds. The oxidation number of an atom represents its charge or apparent charge, ...