1s22s22p63s23p63d104s24p4 A. period 4, p- block B. period 3, p- block C. period 4, d- block D. period 3, d-…
I. is a white powder II. reacts with HCl. III. reacts with NaOH IV. is insoluble in water A. alkaline…
A. 1s22s22px22py0 A. 1s22s22px12py1 C. 1s22s12px12py12pz1 D. 1s12s22px12py1 Correct Answer: Option C - 1s22s12px12py12pz1 Explanation - So any electron configuration…
I. reacts with oxygen to form an acidic oxide II. forms ionic chlorides III. has variable oxidation states IV. displaces…
A. atomic number increases B. effective nuclear charge increases C. mass number decreases D. screening effect decreases Correct Answer: Option…
A. 2 - methyl but - 1 - ene B. 2 - methyl but - 2 - ene C. 3…
A. 1 B. 2 C. 3 D. 4 Correct Answer: Option D = 4 Explanation Nitrogen has three unpaired electrons…
A. Covalent bond B. Hydrogen bond C. Ionic bond D. Metallic bond Correct Answer: Option B - Hydrogen bond Explanation…
A. silver B. gold C. lead D. mercury Correct Answer: Option C - lead Explanation The reactivity series allows us…
A. 22.2% B. 14.8% C. 7.4% D. 3.7% Correct Answer: Option B = 14.8% Explanation . % of C in…