Answer: particles become ions when you remove electrons from a neutral atom to get a positive ion or adding ions to a neural atom to get a negative ion.
A molecule is a matter that moves around fast
D. Pb
That's the symbol for Lead (Pb)
Yes, The tectonic plates are always moving and interacting today. The continents are still moving today. Because sometimes of the most dynamic sites of tectonic activity are seafloor spreading zones and giant rift valleys.
C the other answer are tricking or is it