The correct answer is the second answer choice: bringing iron in!
Here is your answer:
The amount of electrons that the element Beryllium has is: 4
Reason:
Beryllium atomic number is 4
Therefore the amount of protons and electrons Beryllium has is 4
Your answer is 5.
Hope this helps.
Answer:
Option b.) Potassium ion, is written correctly.
Explanation:
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If they were not repeatable people would think the experiment is not accurate. If it can be repeated than the data can prove a very valid point.