What are the two most important alkali metals? Why are they so important?

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Particles vibrate in a rigid structure and do not move relative to their neighbors.