What happened when you rubbed a balloon on the sweater? what happened when that balloon was moved close to the wall?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

20 the compound al(nh3)2 has atoms of nitrogen.

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen