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A propane molecule contains 3 atoms of carbon. The number 3 represents how many significant figures?
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One year is equivalent to
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Chem Final

QuestionAnswer
A propane molecule contains 3 atoms of carbon. The number 3 represents how many significant figures? infinite
One year is equivalent to 3.15 x 10^16 ns
Round off 507,506 to three significant figures 5.08 x 10^5
Which of the following is an exact number? 2 people
Convert 100cm^3 to m^3 1 x 10^-4 m^3
What symbol is used to represent the factor 10^-9? n
Convert 5.100 x 10^-3 to ordinary notation 0.005100
Convert 0.003002 to standard notation 3.002 x 10^-3
A sailor circumnavigated the earth and covered 4,264,00 meters. Express this number in standard scientific notation 4.264 x 10^6 m
Which state of matter has atomic spacing that is close together and indefinite shape? liquid
The distance between adjacent wave crests is called: wavelength
For an orbital, a node is a surface inside which there is a 90% chance of finding the electron
Physical properties are: those that a substance displays without changing its composition
An atom containing 7 protons, 8 neutrons, and 7 electrons: is charge neutral
A solid form of matter in which there is a long range repeating order is called ____. crystalline
Two atoms must represent the same element if they both have the same: atomic number
Which is an example of a homogenous mixture? glucose solution
An energy diagram that shows the reactants having greater energy than the products illustrates an: exothermic reaction
What is the maximum number of electrons that the d subtle can hold? 10
How many valence electrons do the noble gases possess? 8
Which of the following is a chemical change? wood burning in a fireplace
Which of the following colors of light has the highest energy? violet
The lowest energy orbital in the quantum-mechanical model is the: 1s orbital
How many subshells are there in the n=4 principal shell? 4
Created by: cfw
 

 



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