After 1 half life its half the element
after 2 hl its quarter remaining
after 3 hl its half the quarter which is 1 eighth
after 3 half lifes
Answer:
cause it has more
space between molecules.
O C. Ice has a higher density than li
Explanation:
It is s<span>hutting down factories that discharge materials to rivers, </span>I am certain of it, because factors dump their waste in our waters, because they are a US Companies, and don't have the right to dump into international waters. Come on don't you remember any of that, companies dumping in our waters etc.
Atomic number is called the number written to the left of a chemical symbol or formula