chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | melting ice
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| 2.) basic research is | show 🗑
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| show | carried out to solve a problem
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| 4.) group _ in the periodic table contains only metals | show 🗑
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| show | color
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| show | periodic table
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| show | very far from each other
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| 8.) based on their location in the periodic table oxygen and selenium have | show 🗑
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| show | mixtures
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| 10.) the state of matter in which a material has netiher a definite shape nor a definite volume is the | show 🗑
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| show | the liquid boils at 100 C
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| 12.) a testable statement used for making predictions and carrying out further experiments is a | show 🗑
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| 13.) the symbol for the metric unit used to measure mass is | show 🗑
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| 14.) the SI base unit for time is the | show 🗑
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| 15.) poor precision in scientific measurement may arise from | show 🗑
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| 16.) the number of significant figures in the measurement 0.000305 kg is | show 🗑
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| 17.) the number of significant figures in the measurement 170.040 km is | show 🗑
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| show | are reproducible in another laboratory
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| show | mL
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| show | millimeter
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| show | volume and mass
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| 22.) who was the schoolmaster who studied chemistry and proposed an atomic theory | show 🗑
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| show | atom
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| 24.) what is the atomis number for aluminum | show 🗑
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| show | cathrode rays
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| show | the mass number
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| show | undergo radioactive decay
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| 28.) which of the following processes always decreases the number of protons by an even number? | show 🗑
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| show | neutron
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| 30.) for the numbers lass than 0.1, sucha s 0.06, the zeros to the right of the decimal point but before the first nonzero digit | show 🗑
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| show | 30.00mm
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| show | noble gas
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| 33.) the emission of electrons from metals that have absorbed photons is called the | show 🗑
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| show | electron cloud
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| 35.) how many quantum numbers are needed to describe the energy state of an electron in an atom | show 🗑
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| 36.) the wave model of light did not explain | show 🗑
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| 37.) the atomic sublevel with the next highest energy after 4p is | show 🗑
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| show | released photons of only certain energies
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| 39.) a quantum of electromagnetic energy is called | show 🗑
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| 40.) the main energy levels of an atom are indicated by the | show 🗑
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| 41.) the main energy level that can hold only 2 electrons is the | show 🗑
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| 42.) one of the wave properties of electromagnetic radiation, such as light, is | show 🗑
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| 43.) for the f sublevel, the number of orbitals is | show 🗑
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| 44.) as it travels throguh s[ace, electromagnetic radiaton | show 🗑
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| 45.) the total number of orbitals that can exist at the second main energy level is | show 🗑
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| show | alpha decay
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| 47.) a nuclear particale that has about the same mass as proton, but with no electrical charge, is called a | show 🗑
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| show | show the decimal place of the first digit
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| show | 30.00mm
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| show | noble gas
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| show | photoelectric effect
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| the region outside the nucleus where an electron can most probably be found is the | show 🗑
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| show | 4
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| 54.) the wave model of light did not explain | show 🗑
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| show | 5s
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| show | released photons of only certain energies
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| show | photon
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| show | primcipal quantum numbers
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| show | first
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| one of the wave properties of electromagnetic radiation, such as light, is | show 🗑
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| show | 7
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| show | exhibits wavelike behavior
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| show | 4
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| which of the following processes always decreases the number of protons by an even number? | show 🗑
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| show | neutron
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| 66.) for the numbers lass than 0.1, sucha s 0.06, the zeros to the right of the decimal point but before the first nonzero digit | show 🗑
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| show | 30.00mm
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| an element with 8 electrons in its highest main energy level is a | show 🗑
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| show | photoelectric effect
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| show | electron cloud
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| show | 4
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| show | the photoelectrical effect
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| show | 5s
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| because excited hydrogen atoms always produce the same line emission spectrum, scientists concluded that hydrogen | show 🗑
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| show | photon
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| the main energy levels of an atom are indicated by the | show 🗑
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| 77.) the main energy level that can hold only 2 electrons is the | show 🗑
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| show | freqency
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| show | 7
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| as it travels throguh s[ace, electromagnetic radiaton | show 🗑
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| the total number of orbitals that can exist at the second main energy level is | show 🗑
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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.
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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.
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Created by:
amc28
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