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If the atomic radius of chlorine is 99 pm, what is the atomic radius of potassiu
If the atomic radius of chlorine is 99 pm, what is the atomic radius of potassium in pm?
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Practice Questions
1 question
Q1
If the atomic radius of chlorine is 99 pm, what is the atomic radius of potassium in pm?
227 pm
196 pm
186 pm
210 pm
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Atomic radius increases down a group. Potassium (K) has a radius of approximately 227 pm.
Questions & Step-by-step Solutions
1 item
Q
Q: If the atomic radius of chlorine is 99 pm, what is the atomic radius of potassium in pm?
Solution:
Atomic radius increases down a group. Potassium (K) has a radius of approximately 227 pm.
Steps: 6
Show Steps
Step 1: Understand that atomic radius is the size of an atom.
Step 2: Know that elements are organized in the periodic table in groups (columns).
Step 3: Recognize that as you move down a group in the periodic table, the atomic radius increases.
Step 4: Identify that chlorine (Cl) is in group 17 and potassium (K) is in group 1.
Step 5: Since potassium is below chlorine in the periodic table, its atomic radius will be larger.
Step 6: Look up the atomic radius of potassium, which is approximately 227 pm.
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