chemplay 3

What is the name given to the non-superimposable mirror image

forms of chiral compounds?

• cis-trans

• enantiomers

• functional isomers

• diasteriomers

Which of the following is the EMPIRICAL formula of dodecane?

• C5H11

• C6H13

• C10H22

• C12H26

A metal that does NOT occur native in the earth is

• copper

• gold

• sodium

• silver

What is the chemical formula for baking soda?

• NaHCO3

• Na2CO3

• Na2C2O3

• NaH2CO3

How many carbon atoms are there in one napthalene molecule?

w) 6

x) 8

y) 10

z) 15

• 6

• 8

• 10

• 15

The existence of an element in two or more forms i the same

physical phase is known as:

• allotropy

• diphasisty

• polyformation

• diatomic existence

At what temperature are the Fahrenheit and Celsius scales equal to

each other?

• 40 degree

• -40

• 45

• -45

Endothermic refers to a process that

• does work

• gives off heat

• loses mass

• absorbs heat

Which of the following terms means that a crystal has the ability to

capture and hold water molecules?

• hydroponic

• hygroscopic

• hydrophobic

• hydropholectic

What is the chemical formula of buckminsterfullerene?

• C50

• C55

• C60

• C66