Periodic Table
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| What does the Atomic Number of an element represent? | The # of Protons.
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| Where can you find the Atomic # on the Periodic Table. | Large # in each element's square.
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| What does the # of Protons identify? | The element. Each element has its own unique # of protons. If the # of Protons changes the identity of the element changes.
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| How is the Atomic Mass determined? | # of Protons + # of Neutrons.
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| In an atom of neutral or balanced electrical charge, how many electrons are there? | # of Protons (+) = # of Electrons (-)
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| Where on the Periodic Table can you find the Atomic Mass of an element? | The small decimal #, usually written below the name of the element.
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| Where on the Periodic Table can you find the # of Shell Energy Levels? | The # of electrons are the small #s written on the right side of each square in their Shell Energy Level.
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| Where on the Periodic Table can you find the # of Valence electrons? | Valence electrons are the electrons in the outermost Shell Energy Level or the last Shell Energy Level listed on the right side of each element square.
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| What are the names of the rows (left to right) on the Periodic Table? | Periods
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| What do Periods have in common? | Each Period has the same # of Shell Energy Levels.
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| What are the columns (top to bottom) on the Periodic Table called? | Groups
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| What do the groups have in common? | Each Group has the same # of Valence electrons in its outermost Shell Energy Level.
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| What is the name of Group 1A? | Alkali Metals
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| Where is the Alkali Metal Group (1A) located on the Periodic Table? | Far left top to bottom.
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| How many Valence electrons are a property of the Alkali Metal group (1A)? | 1 Valence electron.
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| What is the name of Group 2A on the Periodic Table? | Alkaline Earth Metals.
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| Where is the Alkaline Earth Metal group located on the Periodic Table? | Second column from the left of the Periodic Table.
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| How many Valence electrons do Alkaline Earth Metal elements have? | 2 Valence electrons.
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| What is the name of the elements in groups 3A, 4A, 5A, & 6A? | Non-Metals.
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| Where are the Non-Metals groups found on the Periodic Table? | right of center.
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| What is the name of group 7A on the Periodic Table? | Halogens
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| Where is the Halogen group located on the Periodic Table? | Second column from the right.
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| How many Valence electrons are common to the Halogen group? | 7 Valence electrons.
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| What is a common property of elements in the Halogen group? | The elements in the Halogen group form diatomic molecules by sharing an electron.
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| What is the name of Group O on the Periodic Table? | Noble Gases
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| Where is the Noble Gas Group located on the Periodic Table? | Column to the far right of the Periodic Table.
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| What is a common property of elements in the Noble Gas group? | Noble gas elements do not usually participate in chemical reactions because their outermost shell energy level is filled with 8 electrons.
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| What is "Ground State"? | Ground State is the lowest energy state of level of an electron.
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| What is "Excited State"? | Excited State is the highest energy level or state of an electron.
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| What do electrons in transition from excited state to the ground state emit? | Electrons moving from the excited state to the ground state are losing energy and emitting light called Atomic Emission Spectrum. -Each elements has its own unique Emmission Spectrum.
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| Quantum? | amount of energy needed to raise the energy level of an electron from the ground state to the excited state.
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| Photon? | the amount of energy released when an electron moves from the excited state to the ground state.
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| Ionization? | the removal of an electron from an atom. -the tendency of an atom to lose an electron.
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| Ionization Energy? | the amount of energy absorbed by the electron in order for it to be removed from an atom.
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| Electronegativity? | the tendency of an atom to gain as electron when reacting with another element.
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| Atomic Radius? | the size of the nucleau of an atom.
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| Nuclear charge? | the electrical charge of the nucleus of an atom. - the # of protons.
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| Periodic Trend of Ionization Energy? | -Increases left to right. -Decreases top to bottom.
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| Periodic Trend of Electronegativity? | Increases left to right. -Decreases top to bottom.
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| Periodic Trend of Atomic Radius? | -Decreases left to right. -Increases top to bottom.
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| Periodic Trend of Nuclear Charge? | -Increases left to right. -Increases top to bottom.
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Created by:
kastega