Кто нибудь надо ещё сделать ОВР

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol