by Sunday | May 8 | Chemistry WAEC
A. 1s 22s12p1 B. 1s22s22p63s13p1 C. 1s22s12p3 D. 1s22s22p63so Correct Answer: Option D D. 1s²2s²2p63s°
by Sunday | May 8 | Chemistry WAEC
A. 2 B. 3 C. 5 D. 6 Correct Answer: Option B B. 3
by Sunday | May 8 | Chemistry WAEC
l. lt emits radiation continuously and spontaneously. ll. The emitted radiations are affected by temperature and pressure III. The radiation can penetrate opaque matter A. ll only B. l and ll only C. l and lll only D. ll and lll only Correct Answer: Option C C. l and...
by Sunday | May 8 | Chemistry WAEC
A. contain paired electrons which are repelled by magnetic field B. contain unpaired electrons in the partially filled 3d-orbital C. contain paired electrons which are repelled by magnetic field force D. have delocalized valence electrons Correct Answer: Option B B....
by Sunday | May 8 | Chemistry WAEC
A. do not melt on heating B. harden on heating C. decompose on heating D. soften and melt on heating Correct Answer: Option D D. soften and melt on heating