<span>Because you've added coefficients to the molecules on the right side of the equation, the number of oxygen atoms has changed.</span>
Answer:
Ca generally loses two electrons from its outer shell to form a Ca2+ ion.
Answer:
Mercury
Explanation:
While it is true that most metals are solid at room temperature, mercury is liquid at room temperature hence mercury is often designated as the 'liquid metal'.
Thus, if i find a bottle on the shelf that has no solid in it, only liquid and i know that only pure metals are stored in that area of the laboratory, then i will quickly relabel it as mercury.
