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3 years ago

7

Write three characteristics of mandleef's periodic table?

1 answer:

Slav-nsk [51]3 years ago

6 0

Answer:

The periodic table is composed of seven horizontal rows or periods and is numbered between 1 and 7. There is a regular gradation in the properties of elements in the horizontal rows(periods) from left to right. The periodic table is composed of eight vertical columns or groups. They are numbered between 1 to 8.

Explanation:

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