Trivial Practice Quiz science-technology - Test 130 | Englishfreetest.com

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  • Test content
    Question 1: What does the branch of physics called atomic physics study?
    A. All of these
    B. The atom as an isolated system of electrons and a nucleus
    C. Nuclear power
    D. Relations between atoms and their arrangement in compounds
    Question 2: 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?
    A. Goes into excited state
    B. Nothing
    C. Decays
    D. Explodes
    Question 3: How are the orbits in which the electrons of the atom reside called?
    A. Electron shells
    B. Electron orbits
    C. Electron paths
    D. Electron circles
    Question 4: In chemistry and physics, what do we call free radicals?
    A. Atoms free of electrons
    B. Atoms not part of a molecule
    C. Atoms with at least one unpaired electron
    D. Atom freely floating in space
    Question 5: How is an atom having the valance of 1 called?
    A. Nucleuid
    B. Mono particle
    C. Monotom
    D. Monad
    Question 6: Which of the following cannot affect the energy levels of the electrons of an atom?
    A. Absorption of energy from light (photons)
    B. Magnetic field
    C. All of these can affect the energy levels
    D. Mechanical collision between particles
    Question 7: In atomic physics what does the term magnetic moment refer to?
    A. The moment in which an atom enters a magnetic field
    B. A miniature slice of time in an atoms magnetic interaction with other particles
    C. The magnetic field produced by an atom
    D. The moment in which an atom becomes magnetized
    Question 8: For the purposes of their experiments how do physicists slow down atoms in order to study them better?
    A. With liquid nitrogen
    B. By laser cooling
    C. In special refrigerators
    D. By bombarding them with micro particles
    Question 9: In atomic physics, which atoms are called exotic atoms?
    A. Atoms that occur on other planets of the Solar System but not on Earth
    B. Atoms in which a sub-atomic particle has been replaced by another particle of the same charge
    C. Magnetized atoms
    D. Atoms that occur on Earth naturally very rarely
    Question 10: When a hydrogen atom loses its electron it might form which of the following?
    A. A proton
    B. A neutron
    C. A lepton
    D. A quark
    Question 11: Which of the following components of the atom is not considered an elementary particle?
    A. Proton
    B. Quark
    C. Electron
    D. Gluon
    Question 12: In nuclear physics what is a radionuclide?
    A. A nucleus separated from the atom by radioactive processes
    B. None of these
    C. Two radioactive atoms in a molecule
    D. An atom with an unstable nucleus characterized by excess energy
    Question 13: In physics and chemistry, which isotopes are considered stable?
    A. Isotopes that are in a bond
    B. Isotopes that are not radioactive
    C. Isotopes in which the number of electrons, protons and neutrons is equal
    D. Isotopes that do not form bonds
    Question 14: 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 Earths mantle. They are very useful in the study of atoms structure and properties.
    A. True
    B. False
    Question 15: Which is the force that binds together protons and neutrons together and thus forms the atoms nucleus?
    A. Strong interaction
    B. Electromagnetic force
    C. Gravitation
    D. Weak interaction