Question

kal meri exam hai so plz help karo yaar my question is
question_if an element `X' has mass no.11 and it has 6 neutron, then write it's representation​

Answer 1

Answer:

mass-neutron=proton

11-6=5

K,L

2,3

it is boron

Answer 2

Answer:

Explanation:

Atomic mass (A) = 11

No. of Nutrons(n) = 6

X is unknown =?

we know that

N = A - Z ---------(formula)

6 = 11- Z

Z = 11-6

Z = 5

Therefore,the element 'X' will be represented as

$X_{5} ^11$