by Sunday | Mar 19 | Chemistry WAEC
A. 96500 C B. 9650 C C. 965 C D. 9.65 C Correct Answer: Option C = 965 C
by Sunday | Mar 19 | Chemistry WAEC
A. its high electronegativity B. the small size of the fluorine atom C. the availability of d-orbitals D. the strong F-F bond Correct Answer: Option A – its high electronegativity
by Sunday | Mar 19 | Chemistry WAEC
Consider the following diagram and use it to answer the question below A. A3+(aq) + 3e− → A(s) B. B2+(aq)+2e− → B(s) C. A(s) → 3+(aq)+3e− D. B(s) → B2+(aq) + 2e Correct Answer: Option B = B2+(aq)+2e− →...
by Sunday | Mar 18 | Chemistry WAEC
A. B2+/B/ /A/A3+ B. A3+ /A/ /B/B2+ C. B/B2+/ /A/A3+ D. A/A3+/ /B2+/B Correct Answer: Option D = A/A3+/ /B2+/B
by Sunday | Mar 18 | Chemistry WAEC
A. they are present in the same physical state B. they are strong reducing agents C. their reactivity decreases down the group D. they exist as monoatomic molecules Correct Answer: Option C – their reactivity decreases down the...
by Sunday | Mar 18 | Chemistry WAEC
A. lose electrons easily B. have large atomic radii C. have high effective nuclear charges D. have low atomic numbers Correct Answer: Option C – have high effective nuclear charges