Answer: A 13
Explanation: hope this helps!
Answer:
2Mg(s) + O(g) --> 2MgO
Explanation:
The 2's are the coefficients
(s) = solid
(g) = gas
Hope that helped
The answer is c. hg (mercury)
It’s like where two compounds positive ions which are called “Cations” remember paws for Cats paw as positive. And Negative ions which are called Anion, remember it as A Negative Ion= Anion.
And they would switch places to form a new compounds or products. Look at the Example!
Answer:
Color Changes. A change in color often indicates a chemical change.
Temperature Changes. Changes in temperature might also indicate a chemical change has occurred.
Precipitates. The formation of a precipitate is a sign that a chemical change has occurred.
Light Emission.
Gas Production.
Explanation: