Who discovered the element Mg?

I am doing a science project on the element Arsenic. I know that Albert Magnus discovered it in 1250AD, but I don't know wher...

who invented the formula of the volume of a cone?

What is the name of the group of elements that always have to have more than one atom with them? Ex: hyrdogen, helium ect. An...

I know some things about oil discovery but I need help looking for the cause of it. I can't find any specific information abo...

i have to gve my brohr his medcin but it says 20-40 mg/kg/day every 8 hours but they gave me a little cup measuring teaspoo...

A) 900cg to __ mg B) 0.00607 hg to __mg C) 467 dl to __ kl

is this a good outline for how to write electron configurations? let me know! does it make sense if you didn't know what they...

So..in chemistry I have to do a 3 pg report on any element I picked helium..(I don't know y) but I dont know how to start off...

Is the element Gallium ductile?

Neon , Beryllium , sodium , boron arrange the elements increasing order of their atom size. I know this is a lot but I reall...