The molar mass of strontium (Sr) is 87.62 g/mol. Calculate the number of atoms in a 67.5 mg sample of Sr.

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Which statement would indicate the presence of an acid