The wood turns into ash and smoke so mass is nor destroyed or created.
Answer:
True
Explanation:
Hydrogen has three naturally occuring isotopes and copper has two.
Answer:
2.17
Explanation:
To calculate pH using the hygrogen ion concentration we must use the following formula:
- log (H+) = pH
All we have to do now is plug in our hygrogen ion concentration and put it in our calculator.
- log (6.8 × 10⁻³) = 2.17
Don't forget proper figures for pH!
If you wanted to find a sample of fermium,which has an atomic mass of 100 I would look deep under the earth
Answer:
Evaporation
Explanation:
Water in the ocean, rivers, lakes, etc. is part of the hydrosphere, and when that water evaporates it enters the atmosphere
