HelpDue soon and I will give 35 points and brainliest but if you give answers like idk i just want point... I WILL REPORT YOU!!! 1. In an electron dot diagram, two pairs of shared electrons represents a
a. Double bond
b. Triple bond
c. Single bond
2. A nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a. 1
b. 3
c. 4
d. 6
3. Compared to ionic compounds, molecular compounds generally have
a. Good conductivity
b. Greater densities
c. More chemical bonds
d. A low boiling point
4. Compared to ionic compounds, molecular compounds generally have
a. stronger chemical bonds
b. poor conductivity
c. a high melting point
lower densities
5. The chemical bond formed when two atoms share electrons is called an ionic bond.
a. True
b. False
...
7. An ion is a neutral group of atoms joined by covalent bonds.
a. True
b. False
8. If a molecule contains polar bonds, the molecule may or may not be polar overall.
a. True
b. False
9. In a polar bond, one atom pulls on the shared electrons more than the other atom. a. True
b. False
10. The forces between molecules are much stronger than the forces between ions.
a. True
b. False
11. Why are alloys generally used to make everyday objects?
a. alloys are often stronger and less reactive than pure metals
b. alloys have higher melting points than pure metals
c. alloys are less expensive to produce than pure metals
12. Metallic bond is
a. a type of covalent bond
b. a type of ionic bond
c. an attraction between positive ions and electrons
13. Which of the following is NOT a property of metals?
a. ductile
b. good electrical conductor
c. good thermal insulator
14. At room temperature, most metals are .
a. liquid
b. solid
c. gas
15. An attraction between a positive metal ion and surrounding electrons is a(n) bond.
a. metallic
b. ionic
c. covalent
16. Metals typically have melting points.
a. high
b. low
c. neither low or high
17. The metal fins that cool a motorcycle's engine make use of the high conductivity of metals.
a. thermal
b. electrical
c. none of the above
18. Metals are often used to make wire because they are .
a. ductile
b. soft
c. plastic
19. Metals are used in electrical wires because they have high conductivity.
a. electrical
b. thermal
c. none of the above
20. Nonmetals are unlikely to form metallic bonds because their are strongly held.
a. valence electrons
b. protons
c. neutrons