Learning Path
Question & Answer
Choose the Best Answer
Rubidium is less reactive than lithium.
Rubidium is the second lightest alkali metal.
Rubidium reacts violently with water.
Rubidium is a noble gas.
Understanding the Answer
Let's break down why this is correct
Rubidium reacts violently with water. Other options are incorrect because Some think heavier metals are less reactive, but reactivity actually rises down the group; Rubidium is not the second lightest alkali metal; the first lightest are lithium, sodium, potassium, then rubidium.
Key Concepts
Alkali Metals
easy level question
understand
Deep Dive: Alkali Metals
Master the fundamentals
Definition
Alkali metals are a group of elements following the noble gases in the Periodic Table. They exhibit unique physical and chemical properties, including reactivity with water, halogens, and hydrogen. Understanding the properties of alkali metals is essential for predicting their behavior in chemical reactions.
Topic Definition
Alkali metals are a group of elements following the noble gases in the Periodic Table. They exhibit unique physical and chemical properties, including reactivity with water, halogens, and hydrogen. Understanding the properties of alkali metals is essential for predicting their behavior in chemical reactions.
Ready to Master More Topics?
Join thousands of students using Seekh's interactive learning platform to excel in their studies with personalized practice and detailed explanations.