Will be letter E cause all of them can combine molecule
55.8 grams Would be the answer
c. x-rays
My answer is that x-rays or gamma rays have the greatest (or highest) frequency waves.
Answer:
P = 13.5 atm
Explanation:
Given that
No. of moles, n = 20 moles
Volume of nitrogen gas = 36.2 L
Temperature = 25°C = 298 K
We need to find the pressure of the gas. Using the ideal gas equation
PV = nRT
Where
R is gas constant, 
So,

so, the pressure of the gas is equal to 13.5 atm.
Elements in the third row can break the octet rule