Oxygen gas is at a temperature of 20° C when it occupies a volume of 3.5 liters. To what temperature should it be raised to occupy a volume of 8.5 liters? A. 711.57 K
B. 120.65 K
C. 48.57 K
D. 549.35 K

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

D. is the answer hope that you