Chem Final
Help!
|
|
||||
|---|---|---|---|---|---|
| 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
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
cfw