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Chemistry Chapter 4

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Question
Answer
The idea of arranging the elements in a table according to their chemical and physical properties is attributed by?   Newlands  
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From gaps in his table, Mendeleev predicted the existence of several elements and their _______?   properties  
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Mendeleev is credited with developing the first successful __________?   periodic table  
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The principle that states the physical and chemical properties of the elements are the periodic functions of their atoms is __________?   the periodic law  
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The periodic law states?   the physical and chemical properties of the elements are functions of their atomic number  
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Elements in a group or column in the periodic table can be expected to have similar _________?   properties  
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The atomic number of sodium, the first element in period three, is 11. The atomic number of the second element in this period is __?   12  
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Elements in a group have similar ____________?   electron configuration  
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An element that has an electron configuration of [He]2s2 2p3 is in period ____ of the periodic table?   2  
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An element that has an electron configuration of [Ne]3s2 3p3 is in Group __ of the periodic table?   15  
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To which group of the periodic table do lithium and potassium belong?   Alkali metals  
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To which group of the periodic table do fluorine and chlorine belong?   Halogens  
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the outer electron configuration of an alkali metal has ____________?   1 electron in the s orbital  
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The elements in group 17 are known by what name?   Halogens  
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Transition elements are found in which of the following groups of the periodic table?   groups 3-12  
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Moving from left to right _________, electrons are being added to the 4f orbitals.   the lanthanides  
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A property of all the actinides is that they are ____________ and _________?   members of the periodic table and radioactive  
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A metal is malleable if it can be _________?   Hammered into sheets  
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A solution of two or more metals is _______?   an Alloy  
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Trends in the properties of elements in a group can be explained in terms of ___________?   electron configuration  
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Trends in the periodic table indicate that the element with the greatest ionization energy is in which of the following periods and groups?   period 1, group 17  
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What is the best reason that the atomic radius generally increases with the atomic number in each group of elements?   the number of energy levels increases  
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Trends in the periodic table indicate that an element in period __ and group __ will have the smallest anion ( negative ion) radius?   period 1, group 17  
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Trends in the periodic table indicate that an element in period __ and group __ will have the largest cation (positive ion) radius?   period 7, group 1  
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Electron affinity tends to _____________?   increase across a period and decrease down a group  
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Newlands called the repetitive pattern of the properties of the elements law of octaves because the pattern repeated every ______ elements?   eight  
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The development of the first periodic table is credited to __________?   Dimitry Mendeleev  
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That physical and chemical properties of the elements are functions of their atomic numbers is a statement of the _________?   periodic law  
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Elements in a _______ in the periodic table can be expected to have similar properties.   group  
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A period is a _____________ of blocks in    
🗑
The idea of arranging the elements in a table according to their chemical and physical properties is attributed by?   Newlands  
🗑
From gaps in his table, Mendeleev predicted the existence of several elements and their _______?   properties  
🗑
Mendeleev is credited with developing the first successful __________?   periodic table  
🗑
The principle that states the physical and chemical properties of the elements are the periodic functions of their atoms is __________?   the periodic law  
🗑
The periodic law states?   the physical and chemical properties of the elements are functions of their atomic number  
🗑
Elements in a group or column in the periodic table can be expected to have similar _________?   properties  
🗑
The atomic number of sodium, the first element in period three, is 11. The atomic number of the second element in this period is __?   12  
🗑
Elements in a group have similar ____________?   electron configuration  
🗑
An element that has an electron configuration of [He]2s2 2p3 is in period ____ of the periodic table?   2  
🗑
An element that has an electron configuration of [Ne]3s2 3p3 is in Group __ of the periodic table?   15  
🗑
To which group of the periodic table do lithium and potassium belong?   Alkali metals  
🗑
To which group of the periodic table do fluorine and chlorine belong?   Halogens  
🗑
the outer electron configuration of an alkali metal has ____________?   1 electron in the s orbital  
🗑
The elements in group 17 are known by what name?   Halogens  
🗑
Transition elements are found in which of the following groups of the periodic table?   groups 3-12  
🗑
Moving from left to right _________, electrons are being added to the 4f orbitals.   the lanthanides  
🗑
A property of all the actinides is that they are ____________ and _________?   members of the periodic table and radioactive  
🗑
A metal is malleable if it can be _________?   Hammered into sheets  
🗑
A solution of two or more metals is _______?   an Alloy  
🗑
Trends in the properties of elements in a group can be explained in terms of ___________?   electron configuration  
🗑
Trends in the periodic table indicate that the element with the greatest ionization energy is in which of the following periods and groups?   period 1, group 17  
🗑
What is the best reason that the atomic radius generally increases with the atomic number in each group of elements?   the number of energy levels increases  
🗑
Trends in the periodic table indicate that an element in period __ and group __ will have the smallest anion ( negative ion) radius?   period 1, group 17  
🗑
Trends in the periodic table indicate that an element in period __ and group __ will have the largest cation (positive ion) radius?   period 7, group 1  
🗑
Electron affinity tends to _____________?   increase across a period and decrease down a group  
🗑
Newlands called the repetitive pattern of the properties of the elements law of octaves because the pattern repeated every ______ elements?   eight  
🗑
The development of the first periodic table is credited to __________?   Dimitry Mendeleev  
🗑
That physical and chemical properties of the elements are functions of their atomic numbers is a statement of the _________?   periodic law  
🗑
Elements in a _______ in the periodic table can be expected to have similar properties.   group  
🗑
A period is a _____________ of blocks in the periodic table.   horizontal row  
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An element that has an electron configuration o f[He]2s2 2p3 is in period __, group __?   2, 15  
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An electron that is found in the outermost shell of an atom and that determines the atoms chemical properties is called a ___________ electron?   Valence  
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The alkaline-earth metals are found in the periodic table in group __?   2  
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Elements in group 17 of the periodic table are called the __________?   Halogens  
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Elements whose electron configuration ends in s and p orbitals are called the ___________ group elements.   main group  
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the only element that does not belong to a group is _________?   Hydrogen  
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Except for helium, a noble gas has a total of ___ electrons in its outermost s and p orbitals.   8  
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all metals are good conductors of _________?   electricity  
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A member of the rare-earth series of elements, whose atomic number range from 58-71 is classified as a _______________.   lanthonide  
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All elements in the ________ series are radioactive,   actinides  
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A metal can be squeezed out into a wire because it is __________.   Ductile  
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a measure of the ability of an atom in a chemical compound to attract electrons is called _____________.   electro negativity  
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All elements in the periodic table with atomic numbers greater than that of the element _______ are formed by the explosions of collapsing stars.   beryllium  
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A span of thirty seconds is considered a __________ time for the existence of a super heavy element.   very long  
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The currently most-accepted scientific model of the universes beginnings is an explosion called the ________.   big bang  
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