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The Atom - Part 2
Did you like the Atom quiz? Do you think you did well? Now get ready for Part 2 - twice as big and twice as interesting quiz about the smallet particles comprising each of us and the world around!
Atoms are so small that they can only be observed with a special type of electronic optical microscope called scanning optical microscope.
If we had to measure the width (i.e. the diameter) of a single human hair in carbon atoms, how much would this width be?
1 thousand carbon atoms
1 million carbon atoms
1 billion carbon atoms
100 thousand carbon atoms
The atoms of which type of chemical elements have a complete set of valence electrons - 8?
Valence is a characteristics of atoms which defines their ability to do which of the following?
Move from one molecule to another
Bind with other atoms
Be subject to radioactive decay
What did the CERN laboratory in Geneva, Switzerland, produce for the first time in 1996?
A black hole
An atom without electrons
An atom without protons
What does the branch of physics called atomic physics study?
Relations between atoms and their arrangement in compounds
All of these
The atom as an isolated system of electrons and a nucleus
What happens to an electron that has absorbed a certain amount of energy which is though less than the energy necessary to remove it from the atom?
Goes into excited state
How are the orbits in which the electrons of the atom reside called?
In chemistry and physics, what do we call "free radicals"?
Atoms with at least one unpaired electron
Atoms not part of a molecule
Atom freely floating in space
Atoms free of electrons
How is an atom having the valance of 1 called?
Which of the following cannot affect the energy levels of the electrons of an atom?
Absorption of energy from light (photons)
Mechanical collision between particles
All of these can affect the energy levels
In atomic physics what does the term "magnetic moment" refer to?
The moment in which an atom enters a magnetic field
The moment in which an atom becomes magnetized
The magnetic field produced by an atom
A miniature slice of time in an atom's magnetic interaction with other particles
For the purposes of their experiments how do physicists slow down atoms in order to study them better?
By laser cooling
By bombarding them with micro particles
With liquid nitrogen
In special refrigerators
In atomic physics, which atoms are called exotic atoms?
Atoms that occur on other planets of the Solar System but not on Earth
Atoms in which a sub-atomic particle has been replaced by another particle of the same charge
Atoms that occur on Earth naturally very rarely
When a hydrogen atom loses its electron it might form which of the following?
Which of the following components of the atom is not considered an elementary particle?
In nuclear physics what is a radionuclide?
None of these
A nucleus separated from the atom by radioactive processes
Two radioactive atoms in a molecule
An atom with an unstable nucleus characterized by excess energy
In physics and chemistry, which isotopes are considered stable?
Isotopes that are not radioactive
Isotopes in which the number of electrons, protons and neutrons is equal
Isotopes that do not form bonds
Isotopes that are in a bond
Super-heavy atoms, (or super heavy elements, often abbreviated "SHE"), are the elements with large atomic number (starting from 104), which occur only deep in the Earth's mantle. They are very useful in the study of atoms' structure and properties.
Which is the force that binds together protons and neutrons together and thus forms the atom's nucleus?
(will not interfere with your quiz)
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