CBSE Class 10 Science 2022 · Paper 31/6/2 · Question 6
Consider the four elements of the 3rd period of the Modern Periodic Table as given below :
- (i)Si,
- (ii)Na,
- (iii)Cl, and
- (iv)Ar Which of these is (a) most metallic, (b) a noble gas, (c) most electronegative, and (d) a metalloid ?
Answer
Sodium is the most metallic, argon the noble gas, chlorine the most electronegative and silicon the metalloid.
(a) Na, element (ii), is the most metallic.
(b) Ar, element (iv), is the noble gas.
(c) Cl, element (iii), is the most electronegative.
(d) Si, element (i), is the metalloid.
🔒 Step-by-step solution
Sign up free to see every step of how it is worked out.
From the board paper
More questions from Periodic Classification of Elements
Class 10 Science — every question with an expert-verified, step-by-step solution.
- Q1 Two elements, A and B belong to the 3rd period of Modern Periodic…
- Q1 (i) Write the electronic configuration of element X, given by its sy…
- Q1 Explain giving reason why although the nuclear charge in atoms increa…
- Q1 An element ‘X’ is placed in 2nd group and 3rd period of Modern Pe…
- Q2 The electrons in the atoms of two elements X and Y are distributed…
- Q2 The atomic number of a non-metal 'X' is 8. (a) Write the period n…
- Q2 The atomic number of an element ‘X’ is 11. (i) Write the electronic…
- Q2 In the modern periodic table, compare the tendency of the elemen…
- Q2 (a) Arrange the following elements of 2nd period in the increasing…
- Q2 Suppose three elements A, B and C form a Döbereiner’s triad. Lis…
- Q2(a) What are Döbereiner's triads? List three elements of such a tr…
- Q2(b) State Newland's law of Octave. List two drawbacks of it.
All 89 questions on Periodic Classification of Elements → Browse all Science chapters →