no
The use of beryllium is legal but it is mandatory to respect the working precautions. For some forms of beryllium (pure beryllium, pure beryllium oxide or many components from these materials) the trade is severely internationally controlled.
What color is beryllium as a pure metal ? Grey-white.
it is a pure substance.... not
Methane is a pure substance.
Hi I'm hear to talk about.......................................... you should know whether its a Mixture or a frig..stupid pure substance. d-u-h!
Beryllium is a pure chemical element.
Compound, no group 2 or group 1 (except H if its considered) exist in elemental form naturally.
Neither. It is an element. Also, by definition if a substance is pure it cannot be a mixture; it mus either be an element or a compound.
no
The use of beryllium is legal but it is mandatory to respect the working precautions. For some forms of beryllium (pure beryllium, pure beryllium oxide or many components from these materials) the trade is severely internationally controlled.
What color is beryllium as a pure metal ? Grey-white.
Beryllium hydroxide - Be(OH)2 - is an amphoteric substance.
pure substance, propanone
Pure substance
it is a pure substance.... not
Methane is a pure substance.