Chemistry Final Exam Review #3 Questions and Answers-Latest Update.

Chemistry Final Exam Review #3 Questions and
Answers-Latest Update.

The chief advantage of the metric system over other systems of measurement is that
__________________
a. has more units
b. is in multiples of 10 - Correct Answer It moves by multiples of 10.
Because the metric system is a decimal system of weights and measures it is easy to
convert between units (e.g. from millimetres to metres, or grams to kilograms)


Why do atoms share electrons in covalent bonds?
a. to increase their atomic numbers
b. to attain a noble gas electron configuration - Correct Answer To attain a noble gas
electron configuration
so it can obtain an octet which is stable


How many electrons are shared in a double covalent bond?
a. 2
b. 4 - Correct Answer 4


Name two elements that are in the same period as phosphorus?
a. Nitrogen
b. Carbon - Correct Answer N (Nitrogen)


What is the correct formula for sulfur hexaflouride?
a. S2 F6
b. S F6 - Correct Answer SF 6


Name two elements that are likely to form an ionic compound?
a. Sodium and Chlorine
a. Nitrogen and Sulfur - Correct Answer Na (Sodium) CL(Chlorine)