In terms of increasing non-metallic character, which of the following is the
correct order for the elements N, P, O, and S?

1. P < S < N < O

2. O < S < N < P 

3. O < N < S < P 

4. N < S < O < P

Subtopic:  Nature of Compound |
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Level 2: 60%+
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What is the simplest formula of the ionic compound formed when magnesium reacts with an element X whose ground state electronic configuration is 1s² 2s² 2p³?
1. Mg2X3 2. MgX2
3. Mg2X 4. Mg3X2
Subtopic:  Nature of Compound |
 75%
Level 2: 60%+
NEET - 2018
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The formula of the stable binary compounds that would be formed by an element having atomic number 71 and fluorine:
1. LuF6

2. LuF2

3. LuF3

4. LuF4
Subtopic:  Nature of Compound |
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