The solid above sink to the bottom when you put a container filled with it what does that tell you about density

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.