Generally sodium chloride is known as
The symbol of "Fluorine" is
A tiny dense nucleus in an atom was discovered by
The smallest particle of water is
The bond which comes to existence due to sharing of electrons is known as
The smallest particle of carbon dioxide consists of
The valency of magnesium is
The isotope of uranium (Uranium-238) contains
As neutrons have electrical charge, they do not effect
The theory about atom was first put forward by a Greek philosopher
Electrons revolve around the nucleus as fast as
If hydrogen forms only one bond, then the valency of hydrogen is
An atom is electrically
Large molecules such as polythene and polystyrene contains
The valency of 'zinc' is
The ionic chemical formula of 'chlorine' is
John Dalton carried out his experiment about atom in
Atoms of sodium and chlorine are stuck by chemical glue which is known as
A large amount of heat is produced in power plants when energy is released which turns
In nuclear power plants, energy is released
The symbol of "Boron" is
The symbol of "Helium" is
Sodium ion has
Radioactive particles give off
The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as
Sodium becomes a cation when
The symbol of potassium is
Electrons have
As compare to ionic compounds, covalent bond has
Ionic bonds are
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