An ion with mass number 37 possesses one unit of negative charge. If the ion contains 11.1% more neutrons than the electrons, find the symbol of the ion.

An ion with mass number 56 contains 3 units of positive charge and 30.4% more neutrons than electrons. Assign the symbols to this ion.

An element with mass number 81 contains 31.7% more neutrons as compared to protons. Assign the atomic symbol.

The region that contains free electrons, negative ions and positive ions is

Answer the following questions in one sentence each : The atomic mass number of an element is 18, and the element contains 8 electrons. What is the number of protons and neutrons in it ?

The tatal number of neutrons in dipositve zinc ion with mass number 70 is

State whether the following statements are true or false, correct the false statements. Metals gain electrons and become negatively charged ions

Answer the following questions in one sentence each : An atom contains 2 protons, 2 electrons and 3 neutrons. State its atomic number and atomic mass number.

Dihydrogen gas used in Haber's process is produced by reacting methane form natural gas with high temperature steam..The first stange reaction involves the formation of CO and H_2 .In second stage , CO formed in first stage,CO formed in first stage is reacted with more steam ion water gas shift reaction, CO(g)+ h_2o(g) hArr CO_2(g) +H_2(g) If a reaction vessel at 400^@C is charged with a n equimolar mixture of CO and steam such that P_(co) =P_(H_2O) = 4.0 bar what will be the partial pressure of H_2 at equilibrium? k_p =0.1