Question:
Which element has the lowest ionization energy?
Which element has the lowest ionization energy?
Show Hint
Consider the trends in ionization energy on the periodic table.
Updated On: Mar 30, 2025
- Cesium (Cs)
- Fluorine (F)
- Helium (He)
- Oxygen (O)
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Ionization energy decreases down a group as the outermost electron is further from the nucleus. Cesium, being in Group 1, has the lowest ionization energy.
Was this answer helpful?
0
0
Top Questions on Periodic Trends In Properties Of Elements
- Which of the following statements is not correct?
- AP EAPCET - 2025
- Chemistry
- Periodic Trends In Properties Of Elements
- Identify the correct statements from the following:
I) CO reduces the oxygen carrying ability of blood.
II) Producer gas contains CO and N₂.
III) C-O bond length in CO₂ is 115 pm.- AP EAPCET - 2025
- Chemistry
- Periodic Trends In Properties Of Elements
- Which of the following properties is not correct for silicones?
- AP EAPCET - 2025
- Chemistry
- Periodic Trends In Properties Of Elements
- Identify the incorrect order against the stated property.
- AP EAPCET - 2025
- Chemistry
- Periodic Trends In Properties Of Elements
- Which of the following properties is not correct for silicones?
- AP EAPCET - 2025
- Chemistry
- Periodic Trends In Properties Of Elements
View More Questions
Questions Asked in CUET PG exam
- Identify the possessive noun: My office car is parked elsewhere.
- What is the one-word synonym for connotation?
- CUET (PG) - 2025
- Synonyms
- What is the antonym of eradicate?
- CUET (PG) - 2025
- Antonyms
- What is the correct verb form: He, as well as his friends, ?
- When did the Dutch set up their factory at Nizampatnam?
- CUET (PG) - 2025
- Medieval Indian History
View More Questions