What's the molar mass of Br2

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.