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Questions and Answers
What is the primary basis for the reactivity series?
What is the primary basis for the reactivity series?
- The physical properties of metals, such as melting points
- The metals' ability to lose electrons and form ions (correct)
- The ability of metals to gain electrons and form ions
- The chemical properties of metals, such as their reactivity with water
Which of the following metals is most likely to displace copper from its compound?
Which of the following metals is most likely to displace copper from its compound?
- Gold (Au)
- Iron (Fe) (correct)
- Zinc (Zn)
- Silver (Ag)
What is the oxidation reaction in the context of the reactivity series?
What is the oxidation reaction in the context of the reactivity series?
- The reaction between a metal and acid
- The loss of electrons by a metal to form an ion (correct)
- The gain of electrons by a metal to form an ion
- The reaction between a metal and oxygen
Which of the following is a characteristic of the alkaline earth metals?
Which of the following is a characteristic of the alkaline earth metals?
What is the purpose of the reactivity series in predicting the outcome of single displacement reactions?
What is the purpose of the reactivity series in predicting the outcome of single displacement reactions?
What is the term for the gain of electrons by an ion to form a metal?
What is the term for the gain of electrons by an ion to form a metal?
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Study Notes
Reactivity Series
A reactivity series is a list of metals in order of their reactivity, from most reactive to least reactive.
Key Features
- The series is based on the metals' ability to lose electrons and form ions.
- The more reactive a metal, the more easily it loses electrons.
- The reactivity series is used to predict the outcome of single displacement reactions.
Metals in the Reactivity Series
- Alkali Metals:
- Most reactive
- Lose electrons easily to form +1 ions
- Examples: Potassium (K), Sodium (Na), Lithium (Li)
- Alkaline Earth Metals:
- Less reactive than alkali metals
- Lose electrons to form +2 ions
- Examples: Calcium (Ca), Magnesium (Mg), Barium (Ba)
- Transition Metals:
- Less reactive than alkaline earth metals
- Can form ions with different charges
- Examples: Iron (Fe), Copper (Cu), Zinc (Zn)
- Less Reactive Metals:
- Not very reactive
- Do not easily lose electrons
- Examples: Silver (Ag), Gold (Au), Platinum (Pt)
Uses of the Reactivity Series
- Predicting the outcome of single displacement reactions
- Identifying the most reactive metals
- Understanding the properties of metals and their ions
Important Reactions
- Displacement reaction: a more reactive metal displaces a less reactive metal from its compound.
- Oxidation: the loss of electrons by a metal to form an ion.
- Reduction: the gain of electrons by an ion to form a metal.
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