rp fundamental 1

1.    The number of ______________ determines the atoms chemical properties.

• Protons

• Electrons

• Atoms

• Neutrons

1.    An elements atomic number (Z number) is the number of

• Electrons

• Protons

• Neptune

• Neutrons

1.    Atomic mass number (A number) is the sum of the protons and neutrons in the nucleus.

• True

• False

• None of the above

• Both

1.    How many neutrons does the element Copper have with an atomic mass number of 63 and atomic number of 29?

• 34 Neutrons

• 33 neutrons

• 29 neutrons

• 63 neutrons

Isotopes of a given element have the same atomic number but have a different number of

• Electrons

• Protons

• Isotope

• Neutrons

1.    One atomic mass unit (AMU) is equal to 1/12 the mass of __________ nucleus.

• Carbon 6

• Carbon 12

• Nickel 63

• Carbon 24

• None

1.    Which of the following statements best describes mass defect?

•     The total mass of the nuclide is the same as the atomic number.

• The total mass of nuclide is less than the total mass of the individual particles.

• The total mass of the nuclide is the same as the weight of the protons and neutrons minus the weight of the electrons

•   The total mass of the nuclide is more than the mass of the individual particles

1.    Binding energy is the amount of energy that must be provided to a nucleus in order to break it apart into separate protons and neutrons.

• False

• Both true and false

• True

• Neither

1.    Which of the following best completes this statement.  ______________is the amount of an isotope present in a normal natural mixture.

• Decay chain

•   Natural element

   

• Percent abundance

• Isotopic abundance

1.      In the chart of the nuclides a gray box indicates the isotope is

•    A stable nuclide

• A radioactive nuclide

• A.    A daughter product of another nuclide

• Both B and C are correct