Podcast
Questions and Answers
Which statement about the properties of alkali metals is true?
Which statement about the properties of alkali metals is true?
- They react vigorously with water and most non-metals.
- They have high ionization energies and decrease down the group.
- They are the least electropositive metals.
- They have low melting points and decrease down the group. (correct)
What is the characteristic flame color produced by alkali metals heated in a Bunsen flame?
What is the characteristic flame color produced by alkali metals heated in a Bunsen flame?
- Blue
- Green
- Yellow (correct)
- Red
Which alkali metal reacts the least with air at room temperature?
Which alkali metal reacts the least with air at room temperature?
- Potassium (K)
- Sodium (Na)
- Lithium (Li) (correct)
- Rubidium (Rb)
What irregularity is found with Lithium, the first member of the group, regarding its compounds?
What irregularity is found with Lithium, the first member of the group, regarding its compounds?
Why is lithium hydride more stable than the hydrides of other alkali metals?
Why is lithium hydride more stable than the hydrides of other alkali metals?
Which of the following Group 1 elements has the highest atomic weight?
Which of the following Group 1 elements has the highest atomic weight?
Among the Group 1 elements, which one has the highest ionic radius?
Among the Group 1 elements, which one has the highest ionic radius?
Which Group 1 element has the lowest boiling point?
Which Group 1 element has the lowest boiling point?
Which of the following Group 1 elements has the highest density?
Which of the following Group 1 elements has the highest density?
Which Group 1 element has the highest standard electrode potential?
Which Group 1 element has the highest standard electrode potential?
Flashcards
Alkali metal melting points
Alkali metal melting points
Alkali metal melting points decrease down the group.
Alkali metal flame color
Alkali metal flame color
Alkali metals produce a yellow flame.
Least reactive alkali metal
Least reactive alkali metal
Lithium (Li) is the least reactive alkali metal with air at room temp.
Lithium's unusual oxide formation
Lithium's unusual oxide formation
Signup and view all the flashcards
Lithium hydride stability
Lithium hydride stability
Signup and view all the flashcards
Heaviest alkali metal
Heaviest alkali metal
Signup and view all the flashcards
Largest alkali metal ion
Largest alkali metal ion
Signup and view all the flashcards
Lowest boiling point alkali metal
Lowest boiling point alkali metal
Signup and view all the flashcards
Highest density alkali metal
Highest density alkali metal
Signup and view all the flashcards
Highest electrode potential
Highest electrode potential
Signup and view all the flashcards
Study Notes
Properties of Alkali Metals
- A characteristic flame color is produced when alkali metals are heated in a Bunsen flame.
- The reactivity of alkali metals with air at room temperature varies, with one metal reacting the least.
Irregularities of Lithium
- Lithium, the first member of the group, exhibits an irregularity in its compounds.
Stability of Lithium Hydride
- Lithium hydride is more stable than the hydrides of other alkali metals.
Atomic Weight and Ionic Radius of Group 1 Elements
- The Group 1 element with the highest atomic weight is identified.
- The Group 1 element with the highest ionic radius is identified.
Physical Properties of Group 1 Elements
- The Group 1 element with the lowest boiling point is identified.
- The Group 1 element with the highest density is identified.
Electrochemical Properties of Group 1 Elements
- The Group 1 element with the highest standard electrode potential is identified.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge about the properties, electronic configurations, and characteristics of Group 1 elements, also known as the Alkali metals. This quiz covers elements like Lithium, Sodium, Potassium, Rubidium, Caesium, and Francium.
