by Sunday | Dec 9 | Chemistry WAEC
A. chlorine has a larger atomic size B. chlorine has a larger atomic mass C. chlorine is more electronegative D. there is no bonding orbitals within the hydrogen atom Correct Answer: Option C C. chlorine is more electronegative Explanation The chlorine atom is much...
by Sunday | Dec 9 | Chemistry WAEC
A. 5 B. 8 C. 10 D. 12 Correct Answer: Option D D. 12 Explanation Each double bond has two pairs of valence electrons shared to form a covalent bonding. Also, every C-H bond, has 2 valence electrons involved. Drawing the Lewis structure, you see that the above compound...
by Sunday | Dec 9 | Chemistry WAEC
A. has a totally filled valence shell B. has a high charge to mass ratio C. does not contain neutrons D. exhibits isotopy Correct Answer: Option C C. does not contain neutrons
by Sunday | Dec 9 | Chemistry WAEC
A. do not conduct electricity B. contain an equal number of protons and electrons C. are composed of neutrons and electrons D. cannot be attracted by the electromagnetic field. Correct Answer: Option B B. contain an equal number of protons and electrons Explanation...
by Sunday | Dec 9 | Chemistry WAEC
A. 42 B. 45 C. 126 D. 180 Correct Answer: Option D Explanation Molecular formula = (empirical formula x n) where n= (1,2,3,…) CH2O=12+(2×1)+16=30 Relative molecular mass = (30 x n) From the options, only 180 is a multiple of 30, when...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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