Science, asked by tubemy52, 5 months ago

.Elements in the modern periodic table are arranged in _groups and periods.

a.7,18 b.18,7 c.17,8 d.8,17

Answers

Answered by deepika5126

2

Answer:

18 groups and 7periods

Answered by maheshwarikunal

1

Answer:

b

Explanation:

in periodic table there are 18 periods and 7 groups

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