Because when you live in the middle of one, you have less rocking and less moving of the earth under you. If you were to live near a plate, the plate would move up, down, or side to side and make your house or any building move up and down.
Lithium - Malleable, soft, and shiny
Lead - Opaque solid with higher density
Fluorine - Highly reactive gas
Krypton - Nonreactive gas
*<em>hope I helped :)</em>*
Rust on a nail is a chemical change.
Ice melting IS a physical change. Ice is made of water, when you melt ice its still water. Just in a different physical state.
A neutron, I'm technically not really guessing but I'm kind of guessing because there's only 3 particles in a atom, a proton, neutron and electron, for only protons and neutrons live in the nucleus so be deduction would be neutrons.