Beryllium is a natural chemical element.
natural
Beryllium has 4 protons and electrons and a variable number of neutrons, depending on the isotope. For other atomic properties see the links bellow.
Acrylic is a synthetic fiber made from polymers derived from petroleum or natural gas. It is not a natural fiber like cotton or wool.
It is a synthetic addition polymer.
The 'filling' part of cardboard is natural: wood dust The 'binding' part is synthetic glue
Beryllium is a solid metal.
Yes, beryllium (Be) is a natural chemical element.
Beryllium is a natural chemical element, a solid metal.
It is synthetic, but what we use to make concrete is natural AND synthetic.
Natural beryllium isotopes are: Be-7, Be-9, Be-10.
is bromine natural or synthetic?
Polyester is synthetic.
it is synthetic
they are synthetic.
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
its natural
natural