Number of electrons and neutrons of an element & mass no, Chemistry

Assignment Help:

The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is:

(1) 17             

(2) 37       

(3)2             

(4)38

Ans: 17

 


Related Discussions:- Number of electrons and neutrons of an element & mass no

Equilibrium equation derivation, My problem is how should the specific equa...

My problem is how should the specific equation be derived using boundary condition. I have the final equation (which is based on Langmuir isotherm) and I know the boundary conditio

Methods of showing concentrations of solutions, Methods of showing concentr...

Methods of showing concentrations of solutions The concentration of a solution can be provided in various ways. (A) Percent by mass (B) Molarity (C) molality (D) Mo

Chemical, What is the use of bhc

What is the use of bhc

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd