A 15 L tank of methane is kept at a pressure of at -12°C. If the temperature was dropped to -43 C and 855 kPa, what was the original pressure?

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

it is a solid

explanation:

answer: i dont know the answer but this might

explanation:

l