Fluorine-21 has a half -life of approximately 5 seconds. how much of a 200 gram sample would remain after 1 minute

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.

is there any options? maybe im just not seeing them but i need the options to

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it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter