Pourquoi la première période du tableau périodique ne comporte que deux éléments​

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Predict the products butane (c4h10) + oxygen —>

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?