Carbon can go either way they can have a 4+ charge (by losing 4 electrons) or a 4- charge (by gaining 4 electrons) to fulfill the octet rule.
The pools stay cool because of the Certain amount of water that is in the pool.For Example:If were to go to a Water Park,the water is cool there because it's alot of water.I would take forever for a huge Water Park's water to get hot.
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Element:- Gold.
Compound:- Sodium Chloride (NaCl).
Ion: an atom that has lost or gained an electron.
Isotopes:- two atoms of hydrogen, each with a different number of neutrons
Cation:- an atom that has developed a positive charge.
Anion: an atom that has gained a negative charge