Answer: The mass number is 13
Explanation:
Mass number = Protrons + neutrons;
While Atomic number = Number of neutrons
Therefore, if the atomic number of nitrogen is given as 7, then its Protrons = 7
So, mass number = 7 + 6 = 13
Giraffe, horses, and zebras
The actually speed of sound in water is 1,498, which is closest to 1,500 meters per second.
-Steel jelly