Hmmm, I believe the answer is "Exchange of energy with the surroundings"
Answer:
55 degrees F - cold water
120 degrees F
the last on I don't know
You would want to know everything just Incase anything happens because maybe you get lost
Answer:
20 electrons
A neutral atom with atomic number 20 will have 20 electrons.
The atomic number is, by definiton, the number of protons in an atom's nucleus but for a neutral atom it's also equal to the number of electrons. Each element has a different, unique number of protons that determines its identity.
Explanation:
