Question
Which of the following is a physical property of alkali metals? They are brittle They are soft They are hard They are
Answer
4
(190 Votes)
Martha
Advanced · Tutor for 1 years
Answer
They are soft.
Explanation
## Step 1: Understand the question. The question is asking about the physical properties of alkali metals. Alkali metals are the elements in Group 1 of the periodic table, including lithium, sodium, potassium, rubidium, cesium, and francium.## Step 2: Identify the properties of alkali metals. Alkali metals are known for being soft and highly reactive. They are not brittle or hard. The term 'r' does not seem to represent a known property of alkali metals and may be a typographical error.