The temperature dropped because B. energy was absorbed during the chemical reaction.
If energy was released, the temperature would rise. If there was no energy input, the temperature would stay the same. Since temperature dropped, it means that energy was absorbed.
Answer: The correct formula for phosphorous pentachloride is
because a subscript 5 indicates five chlorine (Cl) atoms.
Explanation: For the given molecule, phosphorous pentachloride, there are 2 atoms present which are phosphorous and chlorine atoms.
Number of phosphorous atoms = 1
Number of chlorine atoms = 5
So, the correct formula for phosphorous pentachloride will be
because the subscript 5 represents the 5 chlorine atoms.
Answer:
if its a neutral atom there should be 6 electrons because there are 6 protons
Explanation:
The answer ispotassium (K)