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Q:

In modern periodic table while going from top to bottom in a group ______.

 

A) size of an atom increases B) size of an atom decreases
C) ionisation energy of an atom increases D)  size and ionisation energy of an atom increases

Answer:   D)  size and ionisation energy of an atom increases



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
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In arc welding, Argon is used because of its

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All isotopes of the same element have ____________

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Which one of the following forms of phosphorus is most reactive?

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Calcium salts used as fertilizer is:

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