Hòa tan 6,5 g kẽm càn vừa đủ Vml ddHCl 2M
a) viết pthh

The concept of empiricism states that all rationally accepted knowledge is determined from experience. francis bacon was one of the first scientists to promote this theory. what was it’s impact on society?

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)