An element X has 127 neutrons and 82 electrons.
It...
An element X has 127 neutrons and 82 electrons.
Its atomic number is?
209
105
45
82
Correct answer is D
An atom that has equal number of protons and electrons is called a neutral atom.
With 82 electrons, the atomic number is also 82
In the reaction 1O-3 + 5l- + 6H+ → 312 + 3H2O, the oxidizing agent is?...
50 cm3 of gas was collected over water at 10ºC and 765 mm Hg. Calculate the volume of the ...
The reaction of halogens with alkanes in the presence of sunlight is an example of ...
Oxochlorate(I) acid is used as a bleaching agent because it is ...
Which of the following methods is suitable for the preparation of an insoluble salt? ...
Dry hydrogen chloride when dissolved in methylbenzene ...
Potassium Chloride solid does not conduct electricity because ...
The maximum number of isomers for an alkene with molecular formula C4H8 is ...