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MDCAT Past Papers - UHS - Chemistry - Chap No 9 - 2014 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Chemistry - Chap No 9 (Year 2014) | Quiz 1

1. Arrange the following elements according to the trend of ionization energy (C, N, Ne, B).

Ne < N < C < B
B < N < C < Ne
B < C < N < Ne
Ne < B < C < N

2. The trends in melting points of element of third period are depicted in figure below. The sharp decreases observed from Si to P is due to :

Decrease in atomic radius from Si to P
Change in bonding and structure of two elements
Different oxidation number of two elements
Increase in Electron density from Si to P

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