Answer:
This shows that the element has three shells in its atom. Thus, it belongs to period 3. Now, we get the atomic number = total number electron= 12. Since the valence shell has 2 electrons the element belongs to Group 2.
1-6837636838837464644
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Answer:
This shows that the element has three shells in its atom. Thus, it belongs to period 3. Now, we get the atomic number = total number electron= 12. Since the valence shell has 2 electrons the element belongs to Group 2.
Answer:
1-6837636838837464644