Measure 10 grams of NaCl and add this to a beaker of 100 ml water. a. Stir the salt with a spoon to dissolve. Record how long it takes to dissolve all of the salt.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

Is 343 in the sequence -5, -2, 1, 4, 7