What is the ratio by atoms of elements present in tantalum bromate? 5:1:3
1:5:15
1:4:7
1:5:3

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

There are main groups in the modern periodic table of elements

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