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The recurrence of similar outer electronic configuration
Increasing atomic weights
Number of electrons in the valency orbit
Increasing atomic radius
The cell wall of Bacteria is made up of
The characteristic invalid for heat radiation is that it travels:
The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:
The chemical behavior of an atom depends upon -
The chemical formula of the laughing gas is
The chemical name of baking soda is
The chemical name of rat poison is
The chemical name of table salt is
The chemical substance present in bones and teeth is :
The chemical that is used to ripen mangoes is