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- 1. Multiple Choice
For each of the following sets of elements, identify the element expected to be most electronegative.
K
Sc
Ca
- 2. Multiple Choice
For each of the following sets of elements, identify the element expected to be least electronegative.
Br
F
At
- 3. Multiple Choice
Identify the type of bond of the following atoms based on their electronegativity difference.
P ------- Si
Ionic
Polar covalent
Non polar covalent
- 4. Multiple Choice
Identify the type of bond of the following atoms based on their electronegativity difference.
K ----- N
Ionic
Polar covalent
Non polar covalent
- 5. Multiple Choice
Identify the type of bond of the following atoms based on their electronegativity difference.
H ----- F
Ionic
Polar covalent
Non polar covalent
- 6. Multiple Choice
Pb (Lead) would have the same Lewis dot structure as to which molecule below?
- 7. Multiple Choice
Se (Selenium) would have the same Lewis dot structure as to which molecule below?
- 8. Multiple Choice
Bi (Bismuth) would have the same Lewis dot structure as to which molecule below?
- 9. Multiple Choice
What is the chemical formula and name of the molecular structure shown above?
C2H2
C2H4
CH4
- 10. Multiple Choice
Which atom would most likely fit in this lewis structure?
Carbon
Nitrogen
Oxygen
Flourine
- 11. Multiple Choice
What is the molecular geometry of CO2 (carbon dioxide)?
Bent
Linear
Tetrahedral
Trigonal planar
- 12. Multiple Choice
What is the molecular geometry of BF3.
Linear
Bent
Trigonal Pyramidal
Trigonal Planar
- 13. Multiple Choice
What is the difference between atom and compounds?
Atoms are composed of two or more element.
Atoms are composed of one element only.
Compounds are composed of two or more element.
Compounds are composed of one element only.
- 14. Multiple Choice
Which of the following is an example of an element?
Salt
Water
Iron
Muriatic acid
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