Use the drop-down menus to complete each sentence.

is moving the fastest.

is standing still.

started at the same location.

I NEEDHELP

What does x represent in the formula for the compound xcl4?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What three things determine the shape and size of a puddle when water is poured out onto a surface