Question

1. what is the element with the largest atomic radius?

a) cesium

b) chlorine

c) calcium

d) fluorine

Explanation:

Analyze periodic trends for atomic radius

$$ \text{Atomic radius increases down a group and decreases left-to-right across a period.} $$

Compare the positions of the given elements

$$
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$$

Determine the element with the largest atomic radius

$$ \text{Cs is furthest down and to the left, so it has the largest atomic radius.} $$

Answer:

• (A) cesium (Correct answer)
• (B) chlorine
• (C) calcium
• (D) fluorine