Newton’s first law state that an object in motion stays in motion unless acted upon force so the answer would be RESISTANCE
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
Answer : J. J. Thomson’s experiment disproved the theory that an atom is indivisible.
Explanation : Scientist J.J. Thomson did his experiment to prove the existence of electrons. He did the experiment using a cathode ray tube, in which a vacuum-sealed tube with a cathode and anode on one end was placed which created a beam of electrons that traveled towards the other end of the tube. This was the theory that proved that atoms consists of many subatomic particles namely electrons.
Answer:
Gamma Radiation
Explanation:
Because Alpha radiation and Beta radiation can't get through aluminum.
