Question

Draw a schematic atomic structure of first 20 elements.
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Answer 1

Answer:

Hope this structure may help you

Answer 2

The atomic structure of first twenty elements in the periodic table is as follows:

Explanation:

• Mendeleev is considered as the father of modern periodic table.
• Periodic table has eighteen vertical columns called groups and seven horizontal rows called periods.
• Elements are arranged in the periodic table in the increasing order of atomic numbers.
• The first twenty elements in the periodic table are Hydrogen,Helium,Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminium,Silicon, Phosphorus, Sulph-ur,Ch-lorine, Argon,Potassium,Calcium.
• The schematic representation of atomic structure of the elements is as follows: