You need to find the chemical formula of an atom bomb. You can tell the class about how many atoms of an element reacts with how many atoms of another to make an atom bomb.
you can show different pictures of hiroshima blast; tell them how dangerous is a atom bomb is. Check the pictures on this link they are nice!
you can show different pictures of hiroshima blast; tell them how dangerous is a atom bomb is. Check the pictures on this link they are nice!
