Today, its radioactivity seems logical as when we look at the periodic table, we find thorium ... should have properties very similar to boron, and he named this new element "ekaboron", meaning "like ...

Boron can be found in many food products, such as dates, nuts, legumes (especially beans), leafy vegetables, apricots, ...

Arsenic is neither a metal nor a non-metal but instead joins a select but rather ill defined group of elements called the metalloids. These are found in the periodic table along a diagonal line from ...