Definition: 1. The smallest part of a chemical element that can take part in a chemical reaction. 2. (physics and chemistry) the smallest component of an element having the chemical properties of the element. 3. (nontechnical usage) a tiny piece of anything.
Use 'atom' in a sentence:
1. The energy for single hydrogen atom is negative 1312 kilojoules per mole.
2. The V2 was not an ordinary weapon: it could only be used against cities. Likewise the atom bomb.
3. Each atom has three degrees of freedom.
4. Might be an atom there.
5. A neutron is simply a neutral particle in the nucleus of an atom.
6. At some point, you will cut the magnet so small that you will have cut down to the size of a single atom.
7. I don't believe there's an atom of meaning in it.
8. The plane was blown to atoms by the rocket.
9. He patented the idea that the atom could be split.
10. The atoms bond together to form a molecule.
11. There isn't atom of sense in what you say.
12. The simplest covalently bonded molecule is formed from two hydrogen atoms.
13. Each one is about the size of an atom.
14. This is electron volts per atom.
15. A nuclear reactor is the apparatus in which atoms are split.
16. The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
17. A tritium atom has two extra neutrons.
18. A molecule of an element consists of one or more atoms.
19. There are carbon atoms in sugar.
20. Acids produce positively charged hydrogen atoms when dissolved in water.
21. The power of the atom can be used to produce electricity.
22. An atom itself is a complete whole, with its electrons, protons and neutrons and other elements.
23. That is to say in a given atom.
24. All bodies consist of molecules and molecules consist of atoms.
25. Now with this particular piece of instrumentation, you can actually spot individual carbon atoms.
26. They knew virtually nothing about the atoms themselves.
27. They take up a teeny bit, but when we're thinking about the set up of the atom, we don't have to account for them as using up a lot of the mass.
28. Neutrons and protons are bound together in the nucleus of an atom.
29. I could put atom one here.
30. Atoms of hydrogen are fused to make helium.
31. The compact core of the atom begins to appear.
32. If the atom is fixed mass, and the electron is tiny, it must be the positives have all the mass.
33. Such united atom approximations have been used in simulations of biological membranes.
34. Well, I could put atom one here.
35. All substances, whether they are gaseous, liquid or solid, are made of atoms.
36. "Come in," said the carpenter, not having an atom of strength left with which to stand up.
37. Water is made up of atoms of hydrogen and oxygen.
38. Each one about the size of an atom.
39. Schrodinger's atom will decay.
40. What we can do is to try using the classical description of the atom, and see where this takes us.
41. The energy that atoms and molecules can possess according to quantum theory is quantized.
42. Atom two, I can put anywhere else.
43. We are going to go into the atom and try to understand the scientific basis for this observed behavior.
44. Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.
45. Atoms of iron in the nail combine with atoms of oxygen from the air to form molecules of iron oxide, or rust.
46. A molecule of water is formed by combining two atoms of hydrogen and one atom of oxygen.
47. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
48. Any substance is made of atom. Whether it is solid, liquid or gas.
49. Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
50. A methane molecule is composed of one carbon atom attached to four hydrogens.
51. Atoms within the fluid interact with the minerals that form the grains.
52. They take an atom of lead, accelerate it, and have it collide with an atom of nickel.
53. It is arranged according to increasing atomic number, which is the number of protons in each atom of an element.
54. When we talk about orbitals in multi-electron atoms, they're actually lower in energy than the corresponding H atom orbitals.
55. In graphite sheets, carbon atoms bond together in rings.