a 6
1 Which of the properties of atoms is the most suitable reference for the kind of bond that will take place
between/among them?
a. atomic size
b. electronegativity
c.ionization energy
d electron affinity
2 When combining with nonmetallic atoms, metallic atoms generally will
a lose electrons and form positive ions
b. lose electrons and gain negative ions.
c.gain electrons and form negative ions
d gain electrons and form positive ions.
3. The combination of atoms or ions during compound formation involves sharing or transfer of which of the following?
a. ions
b. electrons
c. protons
d. neutrons
4. In the Lewis dot symbol of an element, to which does the number of dots correspond?
a number of occupied energy levels
c. number of sublevels
b. number of valence electrons
d. total number of electrons
5. Atoms following the octet rule during bonding will have how many electrons in their outermost shells?
a.6
b. 8
C. 10
d. 18
6. Carbon has an atomic number 8. It belongs to Group IVA and has four valence electrons. What is the correct Lewis
symbol for carbon?
а. С C
b. С
С. • С C
d. C:
7. Which is NOT a characteristic of most ionic compounds?
a They are solids.
b. They have low melting points.
c. They conduct electricity when molten.
d. They are composed of metallic and nonmetallic elements
8. Covalent bonds are formed when electrons are
a shared
b. gained
c. given-off
d. transferred
9. Which of the following will have the highest melting temperature?
a sodium chloride (salt)
b. sucrose (table sugar)
c. paraffin wax (candle wax)
d lead wire
10. What kind of force is present in ionic bond?
a repulsive force
b. electrostatic force
c. neutral force
d. retentive force​