I believe its 10^23 u r saying
then no. of moles= 9.03*10^23/6.02*10^23=1.5mole
<span>iron has 26 protons and 30 neutrons are in the nucleus</span>
Answer:
3
Explanation:
The first election shell can only hold 2 electrons, but the next one can hold up to 8
The mass number of this particular element is 37
An element with 17 protons will ALWAYS be chlorine.
The mass number is found by adding the element’s protons and neutrons.
protons+neutrons=mass number
Here is the math if needed,
17+20=37
Therefore the mass number is 37
I hope this helped!
Answer:
Melting butter
Explanation:
You can reverse the change of butter back to its original state but you can never reverse the rest back to there original state
