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helium atom in a sentence


1) A helium atom or a hydrogen molecule?

2) Hydrogen atoms join together to form helium atoms. 3.

atom collocations
3) As a noble gas, the helium atoms are chemically inert.

4) The two orbiting electrons of the helium atom form a shell.



helium atom example sentences

5) Since they are neutral, helium atoms are insensitive to surface charges.

6) Which is heavier, a fluorine atom or five helium atoms?

7) The helium atom is a neutral particle so "q"=0.

8) This is followed by the ionization of the hydrogen and helium atoms.

9) The abundant helium atoms then transfer their energy to neon atoms by collision.

10) The accompanying figure is a general schematic of a helium atom scattering experimental setup.

11) Since the process involves core levels it is insensitive to hydrogen and helium atoms.

12) These elements decay, spitting out helium atoms at well-constrained rates via alpha-particle emission.

13) Neutral helium atoms get caught by the sun's gravity, forming a focusing cone.

14) This is the nuclear reaction in which hydrogen atoms are converted to helium atoms plus energy.



example sentences with atom

15) But the equation for the helium atom, with its additional proton -- is intractable.

16) The sun combines the nuclei of hydrogen atoms into helium atoms in a process called fusion.

17) In chemistry, perturbation theory was used to obtain the first solutions for the helium atom.

18) Excited helium atoms then collide with neon atoms and in doing so transfer energy to them.

19) The helium atom without its electrons is known as an alpha particle, and is therefore positively charged.

20) He compared the structure of the helium atom with the classical system of resonating coupled harmonic oscillators.

21) Any neutrons colliding with the helium atoms give an energy signature which can be detected and counted.

22) This is enriched with helium atoms as well as trace amounts of heavier atoms formed through stellar nucleosynthesis.

23) Dr. Research then mentions combining two hydrogen atoms directly into a helium atom in the proton-proton process.

24) In the superfluid phase, the helium atoms are, however, indistinguishable due to quantum statistical effects.

25) Why use helium atoms?

26) The graph shown here in "Fig. 2 " shows the speed distribution of 5500 K helium atoms.

27) Therefore the information carried out in the scattered helium atom comes solely from the very surface of the sample.



How to use atom in a sentence

28) An alpha particle consists of two protons and two neutrons; it's the nucleus of a helium atom.

29) Consequently, the universe today is observed to contain one helium atom for every ten or eleven atoms of hydrogen.

30) Unlike for hydrogen, a closed-form solution to the Schrödinger equation for the helium atom has not been found.

31) However, there are virtually no hydrogen molecules or helium atoms in the atmosphere because they have escaped into space.

32) Light helium atoms would eventually diffuse through the relatively porous seals changing the gas mix until the tube no longer lases.

33) Each alpha particle is a helium nucleus that quickly attracts two electrons and becomes a helium atom ( 4 He).

34) In 1909 Ernest Rutherford and Thomas Royds demonstrated that an alpha particle combines with two electrons and forms a helium atom.

35) Because of this, helium atoms can be useful to make measurements of sputtering or annealing, and adsorbate layer depositions.

36) Once at rest, the alpha particle extracts electrons from the surrounding rock thereby discoloring the rock and becoming a helium atom.

37) As mentioned previously, the lightweight helium atoms at thermal energies do not penetrate into the bulk of the material being studied.

38) For example, in the helium–neon laser the electrons from the discharge collide with the helium atoms, exciting them.

39) Hydrogen and helium atoms probably come from the solar wind, diffusing into Mercury's magnetosphere before later escaping back into space.

40) Liquid helium has NOTHING to do with boson statistics since the helium atoms are still distinguishable after they have formed the condensate !



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