atom

01. Water molecules are strongly attracted to each other through their two hydrogen [atoms].

02. Energy binds [atoms] together into molecules.

03. Scientist Amaeo Avogadro first distinguished molecules from [atoms] in 1811.

04. [Atoms] and molecules are too small to directly measure.

05. Many people in this country have reservations concerning the safety of [atomic] energy.

06. An [atomic] clock is accurate to within 1 second in 1.7 million years.

07. Every second, a hurricane releases as much energy as the explosion of a Hiroshima-type [atomic] bomb.

08. In March of 1950, the Soviet Union announced it had built an [atomic] bomb.

09. The United States conducted its first test of an experimental [atomic] bomb at 5:30 a.m. on July 16th, 1945.

10. In science, each element is composed of a different type of [atom].

11. The dropping of the [atom] bomb on Hiroshima signaled the beginning of an era in which man has become capable of destroying all life on our planet.

12. When we perceive of something as being 'hot,' it is because the [atoms] in the material are moving rapidly.

13. In 1939, Albert Einstein sent a letter to President Roosevelt informing him of German [atomic] research, and the potential for a bomb.

14. All matter in the universe is composed of [atoms].

15. Nuclear power plants create energy by splitting [atoms] of uranium.

16. Ernest Rutherford discovered the structure of the [atom] in 1911.

17. The uranium [atom] is the heaviest of all the naturally occurring elements.

18. Uranium has 92 protons contained in the [atom's] nucleus, which is a huge amount when compared with other lighter elements such as hydrogen, which has one.

19. Omar Bradley once noted that the way to win an [atomic] war is to make certain it never starts.

20. Albert Einstein once remarked, "Since I do not foresee that [atomic] energy is to be a great boon for a long time, I have to say that for the present it is a menace."

21. 1923 Nobel prize winner for physics Robert Millikan once stated, "There is no likelihood man can ever tap the power of the [atom]."

22. Albert Einstein once stated that the unleashed power of the [atom] has changed everything save our modes of thinking, and we thus drift toward unparalleled catastrophes.