Find out the group and period of an element with atomic number12
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120
Answer:
Group : 2
period : 3
Explanation:
Given element has 12 atomic number. so electronic configuration will be 2,8,2.
It has 3 shells of period will be 3rd.
and 2 electron in outermost shell so group will be 2nd ..
hope it helps you
Answered by
2
Answer:
Magnesium is the element of atomic number 12.It shows diagonal relationship with lithium. Both are very lighter elements.It forms only mono oxide. Magnesium.Magnesium do not impart any colour to the flame.It is the main component in chlorophyll.
Explanation:
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