Question

the product of two number is 901.865.if one of them is 31.7.find out the other number​

Answer 1

Hope it helps ! Here is your answer

Answer 2

Answer:

Step-by-step explanation:

Let the number of protons in the element be x. ∴ Number of neutrons in the element

= x + 31.7% of x

= x + 0.317 x

= 1.317 x

According to the question,

Mass number of the element = 81

∴ (Number of protons + number of neutrons) = 81

The atomic symbol of the element is

81_35BR