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Ksju [112]
3 years ago
6

Pls help me with this question pls​

Chemistry
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

Answers are below:

Explanation:

There are 18 groups and 7 periods in the modern periodic table. The atomic size and metallic character of elements increase down a group. Also, the atomic size and metallic character of elements decrease from left to right in a period.

Have a good night!

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