In the modern periodic table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?

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Solution

The element with atomic number 12 has same chemical and physical properties as that of calcium. This is because both of them have the same number of valence electrons.

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Q. In the Modern periodic table, calcium (atomic number

20

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12, 19, 21, 38

. Which of these have physical and chemical properties resembling calcium?

Q. Question 9
In the modern periodic table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?

in the modrn periodic table, the element calcium (atomic number=20) is surrounded by elements with atomic numbers 12, 19, 21 and 38.

which of these have physical and chemical properties similar to that of calcium.

In theModern Periodic Table, calcium (atomic number 20) is surrounded byelements with atomic numbers 12, 19, 21, and 38. Which of these havephysical and chemical properties resembling calcium?

Q.

Q. In the modern periodic table, calcium (atomic number = 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium? Explain configuration of 38. From which point this type of configuration starts ? What is the maximum no. of electrons a shell can acquire at this point?

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