For the discovery of the elements polonium and radium. Prohibited from higher education in her native Poland (then controlled by Russia), she moved to Paris in 1891 and studied at the Sorbonne.
If its sodium it would have 11 electrons
Answer:
Explanation:
Firstly, it should be noted that melting and freezing points are the same. Thus, when a substance melts at a certain temperature, it means it can also start freezing/solidifying at that same temperature. That been said, <u>when the substance P is a solid at a certain temperature, the other compound Q will boil at that same temperature and hence will be a gas at that same temperature</u>.
Something that scientists study that is cold could be liquid nitrogen!
Answer:
pH = 5.17
Explanation:
pH = -log[H+] = -log(6.7 x 10^-6) = 5.17
