DeweyBastien391
DeweyBastien391
27-05-2015
History
contestada
how was arsenic discovered?
Respuesta :
WorldCitizen
WorldCitizen
05-06-2015
Arsenic has been known for a long time and the Greeks around 300 AD produced it by roasting realgar, an arsenic mineral. But the Greeks took their word for "Arsenic" from Persian, so it can be believed that it was known already before them.
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
To decorate a cake, you make a shade of purple icing using 2 drops of red food coloring for every 3 drops of blue. For 12 drops of red food coloring, how many d
To decorate a cake, you make a shade of purple icing using 2 drops of red food coloring for every 3 drops of blue. For 12 drops of red food coloring, how many d
the original price of a watch was $109.it was on sale for 100.28.what was the discount rate
The difference of two numbers is 14. Their sum is 46. What are the two numbers?
the square root of 4,356 is an integer. without a calculator , determine what the integer is by eliminating possibilities.
quadratic formula 2x²+9x-4=0
benito read 14 books in 3 months, which was 35% of the number of books he had signed up to read during the school year .how many books did Benito sign up to rea
quadratic formula 9x²-6x-11=0
Are all diagonals also lines of symmetry? And can you explain why?
A student pushes against a tree with a force of 10 newtons (N). The tree does not move. What is the amount of force exerted by the tree on the student?1) 0 N2)
