Chapter 3 chemistry Test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Law of definite Proportions | Compound are made of the same elements in the Same properties regardless of size source of sample.
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| Law of Conservation of Mass | Mass cannot be created or destroyed
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| Law of multiple proportions | When two or more elements combine to form two compound the mass of one elements that combines with a given mass of the other is in the ration of small whole numbers
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| Electron | A subatomic particle that has a negative electric charge
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| Nucleus | Dense, central potion of the atom holds all the positive charge
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| Proton | A subatomic particle with a positive charge, found in the nucleus of an atom.
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| Neutron | A subatomic particle that his no charge and is found in the nucleus
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| Atomic Number | the NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM, the atomic number is the same for all atoms of elements
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| Mass number | The total number of protons and neutrons of the nucleus of an atom
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| Isotope | Same number of protons, but different number of Neutrons
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| Orbital | Regions around a nucleus that correspond to specific energy levels, electrons are likely to be found here.
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| Electromagnetic Spectrum | Distance between two consecutive peaks to trough, light emissions
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| Ground State | Lowest stare of energy
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| Excited State | Highest state of energy
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| Pauli Exclusion Principle | The principal that states that two particles of a certain class cannot be in the exact same energy state
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| Electron Configuration | The atomic number represents the number of protons in an atom which also equals the number of electrons in an atom
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| Aufbau Principle | Electrons fill orbits that have the lowest energy state
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| Hund's Rule | Fill each orbital of an energy level with one electron before putting a second electron in the orbital.
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| Atomic Mass | Mass of atom in measured in atomic Mass units (amu)
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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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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.
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Created by:
hackett12
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