Chemistry, asked by mparashar439, 2 months ago

Question No. 2
How many periods and groups are present in the periodic table?

Answers

Answered by bhartimehta1980

1

Answer:

the correct answer is

Explanation:

118 elements in periodic table

Answered by Anonymous

1

Answer:

seven

There are currently seven complete periods in the periodic table, comprising the 118 known elements.

...

Period 1.

Group 1 18

Atomic # Name 1 H 2 He

Explanation:

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