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Standard X

Chemistry

Modern Periodic Table

Observe the f...

Question

Observe the following elements from second period:
$L i, B e, B, C, N, O, F, N e$
What is common in them?

Electronic configuration

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Valence shells

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Valence electrons

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All of these

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Solution

The correct option is B Valence shells
They have same number of valence shells as they belong to second period.

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Similar questions

Among the second period elements the actual ionization enthalpies are in the

order Li < B < Be < C < O < N < F < Ne.

Explain why

(i) Be has higher Δ_iH than B

(ii) O has lower Δ_iH than N and F?

Q. Among the second period elements the actual ionization enthalpies are in the order

L i < B < B e < C < O < N < F < N e

. Explain why (i)

B e

has higher

Δ_{I . E} H

than

B

(ii)

O

has lower

Δ_{I . E} H

than

N

and

F

Q. What is the correct order of increasing second ionisation energies for the elements

B e, B, C, N

and

F ?

Question 18
Arrange the following elements in the order of their increasing nonmetallic character
Li, O, C, Be, F
(a) F < O < C < Be < Li
(b) Li < Be < C < O< F
(c) F < O < C < Be < Li
(d) F < O < Be < C < Li

Q. Arrange the following elements in decreasing order of atomic radius.

O, N, F, C, B

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Observe the following elements from second period: Li,Be,B,C,N,O,F,Ne What is common in them?

The correct option is B Valence shellsThey have same number of valence shells as they belong to second period.

Observe the following elements from second period:
$L i, B e, B, C, N, O, F, N e$
What is common in them?

The correct option is B Valence shells
They have same number of valence shells as they belong to second period.