Chlorine has the smallest atomic radius since the atomic radius decreases as you travel to the right and up
B. Both of these types of lenses have the ability to produce real images.
Explanation:
Mass of the Earth is equal to,

Any number can be written in the form of scientific notation as :

m is the real number
n is any integer
Mass of the earth can be written in the form of scientific notation as :

Here,
m = 5.97
n = 24
Hence, this is the required solution.