The correct answer should be option C. hope this helps
Answer: With atomic number 20, calcium atoms have 20 positive protons, and the ion has only 18 electrons, which means the net charge is +2. Calcium ions are essential for muscle contractions, nerve impulses, and bone maintenance.
:
The products. Without a balanced chemical equation, there is no reaction that can take place. The products is the final reation and the reactants help the final reaction take place.
Answer:
It’s when two different elements in a compound get switched
Explanation:
D) refracted
because , the light changes direction.. causing the penny to look bigger than it is.