Section 3 - Activity Series of the Element
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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| Predict whether reaction will occur. If yes, write the products & balance the equation for Cr(s) + H2O(l) | no
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| Predict whether reaction will occur. If yes, write the products & balance the equation for Pt(s) + O2(g) | no
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| Predict whether reaction will occur. If yes, write the products & balance the equation for Cd(s) + 2HBr(aq) | yes; Cd(s) + 2HBr(aq) --> CdBr2(aq) + H2(g)
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| Predict whether reaction will occur. If yes, write the products & balance the equation for Mg(s) + steam | yes; Mg(s) + 2H2O(g) --> Mg(OH)2(aq)+H2(g)
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| Identify the element that replaces hydrogen from acids but cannot replace tin form its compound | Pb
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| What is the most active transition metal | Mn
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| The ability of an element to react is referred to as | The elements activity
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| a list of elements organized according to the ease with which the elements undergo certain chemical reactions | activity series
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| For metals, greater activity means | a greater ease of loss of electrons, to form
positive ions
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| For nonmetals, greater activity means | a greater ease of gain of electrons, to form negative ions
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| The order in which the elements are listed is usually determined by | single-displacement reactions
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| The most-active element, placed at the top in the series, can replace each of the elements | below it from a compound in a single-displacement reaction
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| activity series are based on | experiment
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| Metals that react with cold H2O and acids, replacing hydrogen. React with oxygen forming oxides | Li, Rb, K, Ba, Sr, Ca, Na
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| React with steam (but not cold water)and acids, replacing hydrogen. React with oxygen, forming oxides | Mg Al Mn, Zn, Cr, Fe, Cd
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| React with oxygen, forming oxides | H2, Sb, Bi, Cu, Hg
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| Fairly unreactive, forming oxides only indirectly | Ag, Pt, Au
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