Beryllium is a metal.
No, it is a NONmetal
mettaloid
It is an Ion
Slicon
mettaloid
aluminium is a metal
non metal
Boron is the only mettaloid in Group 13
Beryllium. And it's an element, not a chemical.
Yes. It is the compound of the elements Beryllium and fluorine.
Calcium is a metal (an alkaline earth metal)
Beryllium has 4 protons and electrons and a variable number of neutrons, depending on the isotope. For other atomic properties see the links bellow.