Quiz 2-3 on Atomic Structure and Molecular Polarity

What is the process of forming atomic nuclei called?

• Atomic Decay

• Nucleosynthesis

• Nuclear Fusion

• Molecular Bonding

Who discovered the neutron?

• James Chadwick

• Ernest Rutherford

• Dmitri Mendeleev

• Niels Bohr

What did Dmitri Mendeleev arrange in order of increasing atomic mass?

• Atoms

• Elements

• Isotopes

• Molecules

Which model describes the atom as having electrons embedded in a positively charged 'soup'?

• Planetary Model

• Plum-Pudding Model

• Bohr's Model

• Quantum Model

What is the main concept of the Bohr's atomic model?

• Atoms are made of protons and neutrons

• Atoms are indivisible

• Electrons are in a cloud

• Electrons are in fixed orbits

What is the term for the measure of how strongly atoms attract bonding electrons?

• Electronegativity

• Electron Affinity

• Ionization Energy

• Atomic Radius

Which of the following is a polar molecule?

• Water (H2O)

• Methane (CH4)

• Carbon Dioxide (CO2)

• Oxygen (O2)

What type of bond involves the transfer of electrons?

• Hydrogen Bond

• Metallic Bond

• Ionic Bond

• Covalent Bond

Which element was first synthesized in the laboratory?

• Promethium

• Francium

• Astatine

• Technetium

What is the shape of a molecule with a net dipole moment of zero?

• Tetrahedral

• Trigonal Planar

• Linear

• Bent