Hidrojen atomunda cekirdek ve elekton sargisi arasinda mesafe 0,5310-10metre proton ve eletkron arasinda kulon nekadardir

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).