Predict which momber of eack pair has smailer size P3- Or Ca2​

Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other