Nitric acid has the formula HNO3. If there are 3.55x10^23 atoms of O in the sample, how many moles of nitric acid are there?

i think it is d. e because the next one is igneous.

14 days is the half-life of phosphorus-32

c (diamond),

sio2 (quartz)

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.