Okay
40ml-35ml=5ml
5ml is the volume of the rock
1ml=1cm3
hence the volume of the rock is 5cm3
Answer:
elements are composed of
electrons with a little mass and negative charge
protons with mass and positive charge
neutrons with mass and no charge
isotopes same number of protons, different in neutrons
share me the other part of the photo to complete!!!
Sandy would reach an incorrect outcome.that's because she will repeat this mistake in the future too.
There would be 79 electrons present in each atom of gold. I hope this helps :)
