Types of problems are generated by resource extraction and usage?

What happens when the number of protons in an atom changes

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.

Explain the difference in reactivity of the elements based on their electron configurations.