What two things determine the average atomic mass of an element?
1 answer:
Answer: the protons n neutrons
Explanation:
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B) A chemical change because the nail reacts with water/oxygen to create rust (a type of oxide)
Answer:
let's go to the beach or u will relax lol
Evaporating is the right one
Use equation
number of moles= sample mass/molar mass
The answer to this question is: B) 3+