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| Orbitals of equal energy are each occupied by one electron before any is occupied by a second electron is a statement of |
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| A 3-dimensional region around a nucleus where an electron nay be found is called a(n) |
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| The major difference between a 1s and a 2s orbital is that |
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| The 2s orbital is at higher energy than the 1s orbital |
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| The letter designation for the first 4 sublevels w/max. # of electrons that can be accommodated in each sublevel are |
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| Which of the following lists atomic orbitals in the correct order they're filled in by energy? |
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Definition
| 1s2s2p3s3p4s3d4p5s4d5p6s4f5d6p7s5f6d7p |
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| What is removed when the ionization energy is supplied to an atom of an element? |
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| For an electron in an atom to change from the ground state to an excited state, |
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| How many electrons are needed to completely fill the fourth energy level? |
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| How many electrons are needed to completely fill the fifth energy level? |
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| Argon, Krypton, and Xenon are |
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| Fluorine, Chlorine, and Iodine are |
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| Nobelium, Uranium, and Actinium are |
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| Europium, Ytterbium, Neodymium, and Lanthanum are |
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| Hydrogen, Lithium, Sodium, and Potassium are |
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| Beryllium, Calcium, and Strontium are |
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| To which block do the actinide elements belong to |
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| To which block do the lanthanide elements belong to |
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| To which block both alkali metals, alkaline earth metals and Helium belong to |
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| To which block do the transition metals belong to |
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| To which block do the noble gases, other nonmetals, and a considerable amount of the poor metals belong to |
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| Hydrogen can be placed separately from other elements on the periodic table because it |
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Definition
| Has many unique properties |
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Term
| Elements in a group or column in the periodic table can be expected to have similar |
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| No 2 electrons in the same atom can have the same 4 quantum #s. This statement is |
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| The element having the greatest electronegativity is |
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| The most reactive group of nonmetals is the |
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| The most reactive group of metals is the |
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| In nature, alkali metals occur as |
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| Which model of the atom explains the orbitals of electrons as waves? |
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| A horizontal row of blocks in the periodic table is called a(n) |
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| The vertical rows in the periodic table are called |
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| The set of orbitals that are dumbbell shaped and directed along the x. y and z axes are--?--orbitals |
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| Valence electrons are those s and p shaped electrons |
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Definition
| In the highest energy level |
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Term
| The main energy levels of an atom are indicated by the__?__quantum # |
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| The statement that an electron occupies the lowest available energy orbital is |
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| On the periodic table, as you move left to right in Period 4 from gallium-bromine, atomic radii |
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| When an electron is acquired by a neutral atom, the energy change is called |
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| The first periodic table was arranged by |
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| Today's periodic table is arranged by |
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| The electron configuration 1s2 2s2 2p6 3s2 3p1 represents which element |
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