Inorganic Chemistry: Atomic Theory and Chemical Bonding
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Questions and Answers

What is the nature of matter according to the atomic theory?

  • Matter is composed of discrete units called atoms. (correct)
  • Matter is continuous and infinitely divisible.
  • Matter is made up of protons and neutrons.
  • Matter is a combination of elements and compounds.

Who was the first to propose the planetary model of the atom?

  • Bohr
  • Rutherford (correct)
  • Democritus
  • Dalton

When was the discovery of the neutron made?

  • 1800
  • 1932 (correct)
  • 1910
  • 1950

What determines the chemical and physical properties of matter?

<p>Atomic structure (C)</p> Signup and view all the answers

What is the modern name for the Rutherford model of the atom?

<p>Planetary model (B)</p> Signup and view all the answers

In the Rutherford's planetary model, what is at the center of the atom?

<p>Neutrons and protons (A)</p> Signup and view all the answers

What is the definition of an isotope?

<p>Atoms with the same number of protons but different number of neutrons (C)</p> Signup and view all the answers

What are the constituents of the nucleus of an atom?

<p>Protons and neutrons (C)</p> Signup and view all the answers

What defines the nucleon number of an isotope?

<p>The sum of protons and neutrons (C)</p> Signup and view all the answers

What is the significance of the atomic mass unit (amu)?

<p>It defines the mass of an atom in relation to carbon-12 (A)</p> Signup and view all the answers

What is the approximate size relationship between the nucleus and the atom?

<p>The nucleus is about 100,000 times smaller than the atom (D)</p> Signup and view all the answers

What is the relationship between isotopes and atomic mass?

<p>Isotopes have different atomic masses (D)</p> Signup and view all the answers

What instrument is used to find out the relative atomic mass of an element?

<p>Mass Spectrometer (B)</p> Signup and view all the answers

What defines an atomic unit mass (AMU)?

<p>$1/12$ the mass of a carbon-12 atom (C)</p> Signup and view all the answers

How can isotopes be differentiated from each other?

<p>By their mass number (C)</p> Signup and view all the answers

What are the constituents of a hydrogen-16 atom?

<p>Protons and neutrons (D)</p> Signup and view all the answers

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