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The Atom - Part 2

written by: eyez2k1ss
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!

Question 1:

Atoms are so small that they can only be observed with a special type of electronic optical microscope called scanning optical microscope.

Question 2:

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 billion carbon atoms
1 million carbon atoms
100 thousand carbon atoms
1 thousand carbon atoms

Question 3:

The atoms of which type of chemical elements have a complete set of valence electrons - 8?
Noble gases
Alkali metals

Question 4:

Valence is a characteristics of atoms which defines their ability to do which of the following?
Move from one molecule to another
Fall apart
Bind with other atoms
Be subject to radioactive decay

Question 5:

What did the CERN laboratory in Geneva, Switzerland, produce for the first time in 1996?
An atom without protons
A black hole
An atom without electrons

Question 6:

What does the branch of physics called atomic physics study?
Nuclear power
The atom as an isolated system of electrons and a nucleus
All of these
Relations between atoms and their arrangement in compounds

Question 7:

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

Question 8:

How are the orbits in which the electrons of the atom reside called?
Electron paths
Electron circles
Electron orbits
Electron shells

Question 9:

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

Question 10:

How is an atom having the valance of 1 called?
Mono particle

Question 11:

Which of the following cannot affect the energy levels of the electrons of an atom?
Absorption of energy from light (photons)
Magnetic field
Mechanical collision between particles
All of these can affect the energy levels

Question 12:

In atomic physics what does the term "magnetic moment" refer to?
A miniature slice of time in an atom's magnetic interaction with other particles
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

Question 13:

For the purposes of their experiments how do physicists slow down atoms in order to study them better?
By bombarding them with micro particles
By laser cooling
In special refrigerators
With liquid nitrogen

Question 14:

In atomic physics, which atoms are called exotic atoms?
Magnetized atoms
Atoms that occur on Earth naturally very rarely
Atoms in which a sub-atomic particle has been replaced by another particle of the same charge
Atoms that occur on other planets of the Solar System but not on Earth

Question 15:

When a hydrogen atom loses its electron it might form which of the following?
A neutron
A lepton
A proton
A quark

Question 16:

Which of the following components of the atom is not considered an elementary particle?

Question 17:

In nuclear physics what is a radionuclide?
Two radioactive atoms in a molecule
An atom with an unstable nucleus characterized by excess energy
A nucleus separated from the atom by radioactive processes
None of these

Question 18:

In physics and chemistry, which isotopes are considered stable?
Isotopes that are in a bond
Isotopes that do not form bonds
Isotopes in which the number of electrons, protons and neutrons is equal
Isotopes that are not radioactive

Question 19:

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.

Question 20:

Which is the force that binds together protons and neutrons together and thus forms the atom's nucleus?
Weak interaction
Electromagnetic force
Strong interaction


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