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CBSE Notes 2011-2012

An element has 12 protons. The group and period to which this element belongs to is

Multiple choice question

An element has 12 protons. The group and period to which
this element belongs to is

unknown

2nd group, 3rd period

unknown

2nd group, 2nd period

unknown

3rd group, 2nd period

unknown

3rd group, 3rd period