Energy has been added to the system for the reaction to occur.
A plumber- Sodium hydroxide is cleaner and plumbers clean
Answer:
1 electron
Explanation:
These metals have a single electron in the outer shell
2 boxes of A
Because C = A + B
2 of A = 20 grams
at the other hand we have 2 of B = 10
So 20 + 10 = 30 grams
Thermal energy, or heat, is the internal energy in substances; it is the vibration and movement of the atoms and molecules within a substance. The more thermal energy in a substance, the faster the atoms and molecules vibrate and move. Geothermal energy is an example of thermal energy.