Okay so we are given these requirements:
element which can be used to stuff
bottles that enclose ancient paper
must be a gas at room temperature
must be denser than helium
must not react with other elements
The only element that comes into my
mind is:
<span>Argon</span>
Basic radicals (cations) have been divided into groups based on Ksp values
Join or be joined securely to something else, typically by means of an adhesive substance, heat, or pressure.
