When a dialysis tubing bag containing 20% sucrose is put into a beaker of water, the water moves the bag.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.

Which of the following statements is true about both nuclear fusion and nuclear fission? they occur in the sun. heavy atoms are split. two light nuclei combine. some mass changes into energy.