What is the importance of improving farming techniques to the development of cities?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.