Number of protons, neutrons and electrons in the element, Chemistry

Assignment Help:

Number of protons, neutrons and electrons in the element  231/89 y is:

(1) 89, 231, 89  

(2) 89, 89, 242   

(3) 89, 142, 89      

(4) 89, 71, 89

Ans:  89, 142, 89


Related Discussions:- Number of protons, neutrons and electrons in the element

What are total variables and degrees of freedom of a system, What are total...

What are total variables and degrees of freedom of a system of two components, when the number of phases is one, two, three etc.?  Ans:  For two - component systems, degree of

Henderson-hasselbalch equation, (a) Explain in terms of ionic equilibria wh...

(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B

Find absolute pressure volume of gas or energy balance, A cylinder is equip...

A cylinder is equipped with a frictionless piston with an inner diameter of 5 cm and a mass of 3 kg. A 27 kg weight rests on the piston. One mole of helium at 25 o C fills the cyl

Project, Preparation of saturated calomel electrode and determination of st...

Preparation of saturated calomel electrode and determination of standard potentials of electrodes such as Cu 1 Cu, Zn 1 Zn, etc. Comparison of the potential values with values from

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