Answer: 1 Mole or 6.022 X 1023.
Answer:
(1) the same and the atoms have the same number of electrons
Explanation:
In a pure sample of copper, all the atoms have atomic numbers which are the same and the atoms have the same number of electrons.
Pure samples of a substance have a definite composition and are homogeneous all through.
To show this all the atoms that makes up the substance have the same number of electrons because they are of the same atom.
Answer:
I don't know how to label it, but the answer is 5.
Explanation:
The answer is 5 because the rock made the water move up 5 mL.
