Questions of the Week
What happens when an element from Group 1 and Group 17 meet?
How are the number of neutrons determined?
What group and period does element 118 belong to?
What is the next element after radon?
Scientist of the Week
I was born on September 7, 1829.
I was a German organic chemist.
From the 1850s until his death, I was one of the most prominent chemists in Europe, especially in theoretical chemistry.
I was the principal founder of the theory of chemical structure and in particular the structure of benzene.
Daily Questions
What is another name for a metalloid?
What are three physical properties of nonmetals?
What do ohms measure?
What happens to the conductivity of silicon (Si) as it is heated?