Da gas has a volume of 4.00 l at 0 degrees celsius. what final temperature, in degrees celsius, is needed to change the volume of the gas to each of the following, if n and p do not change?
a. 1.50 l
b. 1200 ml
c. 10.0 l
d. 50.0 ml

- decrease the number of plants and animals living in the water.

there is none because earth is stationary and flat.

the answer is na (sodium)

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.