How many atoms of gold (au) are present in a sample of 2.5 mol au?

1.5 × 10^24 atoms au

1.5 × 10^23 atoms au

4.2 × 10^24 atoms au

4.2 × 10^23 atoms au

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements