An atom 17 protons, 17 electrons and 18 neutrons has a ma...
An atom 17 protons, 17 electrons and 18 neutrons has a mass number of
17
18
34
35
52
Correct answer is D
No explanation has been provided for this answer.
The sulphide that is commonly used in coating electric fluorescent tubes is? ...
A finely divided from of a metal burns more readily in air than the rod from because the rod has ...
The molar enthalpy change accompanying the removal of an electron from a gas phase atom or ion ...
The principle of column chromatography is based on the ability of the constituents to ...