Each of the pictures (a) -(d) represents one of the following substances at 25°C: potassium,fluorine,iodine,potassium fluoride,not necessarily in that order. 
-Which picture corresponds to potassium?
Definitions:
Lapse Policy
A situation where an insurance policy becomes inactive because premiums have not been paid.
Insurance Policy
A contract between an individual or entity and an insurance company, detailing the terms and agreements in which the insurer agrees to pay the insured for specific loss, damage, illness, or death in return for payment of a premium.
Interim Coverage
Temporary insurance protection provided between the application and the actual issuance of a policy.
Fraudulent Concealment
The act of deliberately hiding or omitting relevant information or facts with the intent to deceive or defraud.
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