Which information does the atomic mass of an element provide? the number of protons and neutrons in an atom b. the number of isotopes c. the sum of electrons and protons in an atom d. the difference between the number of protons and electrons attention: if you do not know the answer don't comment this is very important and i have a very important test so don't comment unwanted things or you will be reported

The atomic mass of an element provides A. the number of protons and neutrons in an atom.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.