What is the penetrating power of alpha

The penetrating power of alpha rays, beta rays, and gamma ray varies  greatly. alpha particles can be blocked by a few pieces of paper. beta particles pass through paper but are stopped by aluminum foil. gamma rays are the most difficult to stop and require concrete, lead, or other heavy shielding to block them.

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ions bond

Explanation:

Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds