Helium (H) is a valuable gas used in industry, low - temperature research deepsea diving tanks, and balloons. How many miles of the (He) atoms are in 6.46g of the (He)​

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

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.