In the modern periodic table, there are ___

18 groups

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18 periods

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7 periods

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7 groups

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Solution

The correct options are
A 18 groups
C 7 periods
In the modern periodic table, there are 18 groups and 7 periods. Elements are arranged in rows and columns. The horizontal rows are known as periods while the vertical columns are known as groups.

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Similar questions

(a) State the modern periodic law.

(b) How many periods and groups are there in the modern periodic table?

Q. groups and periods are there in the modern periodic table.

Q. In how many groups and periods the elements in modern periodic table are classified?

How many groups and periods are there in the modern periodic table? How do the atomic size and metallic character of elements vary as we move:

(a) down a group and
(b) from left to right in a period

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In the modern periodic table, there are ___

The correct options are A 18 groups C 7 periodsIn the modern periodic table, there are 18 groups and 7 periods. Elements are arranged in rows and columns. The horizontal rows are known as periods while the vertical columns are known as groups.

The correct options are
A 18 groups
C 7 periods
In the modern periodic table, there are 18 groups and 7 periods. Elements are arranged in rows and columns. The horizontal rows are known as periods while the vertical columns are known as groups.