The atoms of the elements having same difference between mass number and atomic number are called ______.
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The Chemical formula of Ammonium oxalate is _____.
_______________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material.
Magnetite is an ore/mineral of
Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer?
A standard drink is generally
The element with the highest electron affinity among halogens is
Which among the following is used to generate light, to weld metals?
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