23. How does the atomic radius of the elements change on going
a. From left to right in a period, and
b. Down a group
In the modern periodic table? Give reason in support of your answer?
help me ple
Answers
Answered by
2
Answer:
Periodic Trend
The atomic radius of atoms generally decreases from left to right across a period. ... Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge.
Answered by
0
Answer:
a. decreases
b. increases
Explanation:
a. as the effective nuclear charge increases
b. as the no. of shells increases
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