The chemical formula is SnO2
<span>Mass number is the number of protons and neutrons in an atom, and it tells us about the mass of the atom in amu, or atomic mass units. </span>
<span>Atomic mass is the average mass of all the isotopes of a certain type</span>
Answer:
Into seven sections based on frequency
Explanation:
There are 7 em spectrums from radio waves, to infrared waves, to gamma rays listest in order from lowest to highest frequency.
Answer: The amount of water formed is 12 moles
Explanation: Please see the attachments below