Which of the following sequence represents atomic number of only representative elements?
(a) \(...
Which of the following sequence represents atomic number of only representative elements?
(a) \( 55,12,48,53 \)
(b) \( 13,33,54,83 \)
(c) \( 3,33,53,87 \)
(d) \( 22,33,55,66 \)
\( \mathrm{P} \)
\( \mathrm{W} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2022-12-02 | If period number and group number of any representative element(s) are same then which of the fo... |
| 2022-12-02 | Which of the following properties of the alkaline earth metals increase from Be to Ba?
(i) Atomi... |
| 2022-12-02 | Consider the following four elements, which are represented according to long form of periodic t... |
| 2022-12-02 | Which of the following is the incorrect match for the position of element in periodic table?
(a)... |
| 2022-12-02 | If the aufbau principle had not been followed, \( C_{a}(Z=20) \) would have been placed in the :... |
| 2022-12-02 | The electronic configuration of four elements are :
(I) \( [\mathrm{Kr}] 5 s^{1} \)
(II) \( [\ma... |
| 2022-12-02 | What is the atomic number of the element with the maximum number of unpaired \( 4 p \) electrons... |
| 2022-12-02 | \( \mathrm{A}, \mathrm{B} \) and \( \mathrm{C} \) are hydroxy-compounds of the elements \( \math... |
| 2022-12-02 | The ground state electronic configurations of the elements, \( U, V, W, X \), and \( Y \) (these... |
| 2022-12-02 | La (lanthanum) having atomic number 57 is a member of :
(a) s-block elements
(b) p-block element... |
| 2022-12-02 | Which of the following sequence represents atomic number of only representative elements?
(a) \(... |
| 2022-12-02 | Which of the following ions is most unlikely to exist?
(a) \( \mathrm{Li}^{-} \)
(b) \( \mathrm{... |
| 2022-12-02 | Which of the following is not a representative element ?
(a) Tellurium
(b) Tantalum
(c) Thallium... |
| 2022-12-02 | When magnesium burns in air, compounds of magnesium formed are magnesium oxide and :
(a) \( \mat... |
| 2022-12-02 | In nucleophilic addition reactions, the reactivities of the carbonyl compounds \( \mathrm{NO}_{2... |
| 2022-12-02 | Besides paddy fields, cyanobacteria are also found inside vegetative part of
(A) Psilotum
(B) Cy... |
| 2022-12-02 | Which electronic configuration must represent an atom in an excited state?
(a) \( 1 s^{2}, 2 s^{... |
| 2022-12-02 | A compound contains three elements \( A, B \) and \( C \). If the oxidation number of \( A=+2, B... |
| 2022-12-02 | Consider the following information about elements \( P \) and \( Q \) :
Period number Group numb... |
| 2022-12-02 | Which property decreases from left to right across the period and increases from top to bottom i... |
| 2022-12-02 | If IUPAC name of an element is "Unununium" then correct statement regarding element is that:
(a)... |
1