All the s-block elements of the periodic table are placed in the groups….
All the s-block elements of the periodic table are placed in the groups.... Options (a) IA and IIA (b) IIIA…
7 years ago
Classification of Elements and Periodicity
The long form of periodic table is based on
The long form of periodic table is based on Options (a) mass of the atom (b) atomic number (c) shapes…
7 years ago
Which of the following inert gases does not have eight electrons
Which of the following inert gases does not have eight electrons in the outermost orbit Options (a) Kr (b) Ne…
7 years ago
Element having atomic no.of 56 belongs to which of the following block
Element having atomic no.of 56 belongs to which of the following block of periodic table Options (a) p-block (b) d-block…
7 years ago
As the nuclear charge increases from neon to calcium the orbital energy
As the nuclear charge increases from neon to calcium the orbital energy Options (a) increases (b) increase very rapidly (c)…
7 years ago
Mg and Li are similar in their properties due to
Mg and Li are similar in their properties due to Options (a) same e/m ratio (b) same electron affinity (c)…
7 years ago
Which of the following gas is called rare gas
Which of the following gas is called rare gas Options (a) Krypton (b) Neon (c) Argon (d) All of these…
7 years ago
High ionisation energy indicates that
High ionisation energy indicates that Options (a) atom size is large (b) atom size is small (c) atom is metallic…
7 years ago
Of the following compounds the most acidic is
Of the following compounds the most acidic is Options (a) As₂O₃ (b) P₂O₅ (c) Sb₂O₃ (d) Bi₂O₃ Correct Answer: P₂O₅Explanation:No…
7 years ago
Which of the following is the smallest anion
Which of the following is the smallest anion Options (a) O²⁻ (b) S²⁻ (c) Cl⁻ (d) Br⁻ Correct Answer: O²⁻Explanation:No…
7 years ago