A compound was analyzed in a lab and was found to consist of 63.1% C, 5.31% H and the rest is oxygen (O). If the molecular molar mass is 305 g/mol, what is its molecular formula?

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro