What determines the ratio of ions in an ionic compound? A. The electronegativity of each atom
B. The period the atoms are in
C. The number of bonds formed
D. The charges on the ions

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.