In group 1 the atomic radius of sodium is greater than the atomic radi – InterviewSolution

InterviewSolution

1.	In group 1 the atomic radius of sodium is greater than the atomic radius of lithium. Give reason.
Answer» SOLUTION :Because in a SODIUM atom (Na = 2,8, 1) the outermost electron is in the third shell (M-shell, n = 3), whereas in a LITHIUM atom (Li = 2, 1) the outermost electron is in the second shell (L-shell, n = 2).

Discussion

No Comment Found

Related InterviewSolutions

What is the name given to a pure substance with only one kind of atoms?
What is the difference between pure gold and 22 carat gold? Which type of gold is used for making ornaments ?
The term pH was coined by ______
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
Which of the following metal is not found in a free state ?
Why are alcohols poor conductors of electricity ?
Which one of the following element is used as the standard for measuring the relativeatomic mass of an element in now a days?
The thickness of _______ increases in the electrorefming of copper
What do you think would happen when a mixture of iron filings and sulphur powder is heated ?
What is the formula of the next homologue of propene (C_3H_6)?