Difficulty of...

Difficulty of Carbon to Form a Stable Ion

Trending Questions

Q. The atomic number of fluorine is ______.

five
six
eleven
nine

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The element with fully-filled K shell but a half-filled L shell is __________

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Pick up the statements which are related with carbon:

1. 14^th group element

2. In the human body, it is second most abundant element by mass after oxygen

3. Non-metallic

4. 15^th group element

5. One of the few elements known since antiquity.

6. Only 4 electrons are available for bonding.

7. Only 3 electrons are available for bonding.

8. Metallic

All are related to carbon
Only 1, 2, 8 and 6 are related with carbon.
Only 6, 4 and 8 are related to carbon.
Only 1, 2, 3, 5 and 6 are related to carbon.

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$\begin{matrix} C o l u m n A & C o l u m n B 1 & C^{- 4} i s h i g h l y u n s t a b l e b e c a u s e & A & I t w o u l d b e d i f f i c u l t f o r c a r b o n w i t h s i x p r o t o n s i n i t s n u c l e u s t o h o l d o n j u s t t w o e l e c t r o n s . 2 & C^{+ 4} i s a c h i e v e d b y & B & G a i n i n g 4 e l e c t r o n s t o i t s o u t e r m o s t o r b i t 3 & C^{+ 4} i s h i g h l y u n s t a b l e b e c a u s e & C & L o o s i n g 4 v a l e n c e e l e c t r o n s 4 & C^{- 4} i s a c h i e v e d b y & D & I t i s d i f f i c u l t f o r t h e n u c l e u s w i t h s i x p r o t o n s t o h o l d o n t e n e l e c t r o n s, i . e . f o u r e x t r a e l e c t r o n s \end{matrix}$

1- D, 2-C, 3-A and 4-B
1- D, 2-C, 3-B and 4-A
1- B, 2-A, 3-C and 4-D
1- C, 2-A, 3-D and 4-B

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An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?

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Q. An element has (Ar) 3d1 configuration in its +2 oxidation state. Its position in the periodic table is

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