We've made a new video about magnesium, the first "useful" metal on the periodic table. More links in description below ↓↓↓ Support Periodic Videos on Patreon: https://www.patreon.com/perio...
========== Magnesium is one of the lightest elements.
It’s right at the beginning of the period table and, in fact, it’s the first of the
light metals that you can actually use. Lithium and sodium react violently with water so you
can’t really use them as a metal and beryllium is fantastically poisonous so unless you are
using it in the lab where you can be sure that nobody is going to touch it, it’s useless,
so magnesium is the lightest metal you can use. So, for example, if you are trying to
make mobile phones that are really light, then you can make the frame of the mobile
phone out of magnesium. You can use it for laptops. There is a professor in Germany,
who has promised to send me a laptop frame made of magnesium, but it hasn’t arrived
yet. So ano...