Which of the following best explains why boron nitride is so hard?

The hardness of boron nitride is due to its high content of boron. Boron is a strong metal that doesn't corrode, and it binds with oxygen to create a hard metal. Why is ionic crystalline solid characterized to be hard? The difference between ionic and nonionic solids is that anionic solids are composed of cations ... Read more...

How do I run a diagnostic test on my iPhone?

There are a few ways to run diagnostics tests on your iPhone. The easiest way is to use the Apple Mobile Device Diagnostic App. This app can be found on the App Store and can be downloaded for free. The app can be used to check for any common problems with your iPhone such as ... Read more...

Was Cleopatras body found?

Cleopatra was not found after she was reported missing by her friends and family. Her body was discovered by Roman soldiers in Egypt. What did Cleopatra's successor do? Cleopatra's successor was the Roman general Antony. Antony was opposed to Cleopatra and had two goals: to take back Egypt from Cleopatra and to remove her from ... Read more...

What is the best gold tester?

The best gold tester will vary depending on the specific needs of the user. However, some general tips to consider when choosing a gold tester include: -The tester should be able to accurately assay small to medium sized gold coins -The tester should be easy to use and operate -The tester should be accurate and ... Read more...