A. Na, Al, P, Cl B. Cl, P, Al, Na C. Na, P, Cl, Al D. Al, Na, P, Cl…
A. +2 B. +3 C. +4 D. +5 Correct Answer: Option D D. +5 Explanation Pb(NO3)2= +2+2N+(−2×6)=0 = 2N=10 ⇒…
A. nuclear charge increases while the outermost electrons are drawn closer to the nucleus B. nuclear charge decreases while the…
A. electronegativity B. electron affinity C. ionic radius D. ionization energy Correct Answer: Option C C. ionic radius Explanation The…
A. the circular path through which electrons revolve round the nucleus B. a region around the nucleus where electrons are…
A. 66.0g B. 76.0g C. 80.0g D. 96.0g Correct Answer: Option D D. 96.0g Explanation This is same as asking…
A. boiling point B. melting point C. conductivity D. solubility Correct Answer: Option B B. melting point Explanation The purity…
A. nitrogen is less dense than oxygen B. oxygen is more reactive than nitrogen C. of the difference in their…
A. Zn2+ B. Sc3+ C. Cu D. Mn Correct Answer: Option B B. Sc3+
A. quantity of electrons in the valence shell B. filling the orbitals with lower energy first C. the filling of…