The increase in volume of 10cm of mecury when the temperature rises by 100 degree Celsius is 0.182cm3.what is the cubic expansivity of mecury

The charge of an ion with 55 protons and 52 electrons is +3. the reason is because protons are positive, and there are three more than the amount of negative electrons.

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling