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Byju's Answer

Standard VII

Chemistry

Atomic Valency

What is the v...

Question

What is the valency of the element with atomic number 35 and 15?

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Solution

1) It's valency is 1.
distribution of electrons is 2,8,18,7
2) It's valency is 3.
distribution of electrons is 2,8,5

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Similar questions

Q. An element with atomic number

17

is placed in the group

17

of the long from periodic table. Element with atomic number

9

is placed above and with atomic number

35

is placed below it. Element with atomic number

16

is placed left and with atomic number

18

is placed right to it. Which of the following statements are correct?

a) Valency of the element with atomic number

18

is zero.

b) Elements with same valency will have atomic number

16

17

and

18

c) Valency of element with atomic number

9

17

and

35

is one.

d) Element with atomic number

17

is more electronegative than element with atomic number

16

and

35

Q. An element with atomic number

17

is placed in the group

17

of the long form periodic table. Element with atomic number

9

is placed above and with atomic number

35

is placed below it. Element with atomic number

16

is placed left and with atomic number

18

is placed right to it. Which of the following statements are correct:
(i) Valency of the element with atomic number

18

0

(ii) Elements with same valency have atomic number

16, 17

and

18

(iii) Valency of elements with atomic number

9, 17

and

35

is one
(iv) Element with atomic number

17

is more electronegative than elements with atomic number

16

and

35

Q. The group number, number of valence electrons and valency of an element with atomic number

15

, respectively, are:

Q. Question 35
An element X has a mass number 4 and atomic number 2. Write the valency of this element.

(a) Define valency of an element. What valency will be shown by an element having atomic number 14 ?

(b) What is the relation between the valency of an element and the number of valence electrons in its atoms ? Explain with examples.

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What is the valency of the element with atomic number 35 and 15?

1) It's valency is 1.distribution of electrons is 2,8,18,72) It's valency is 3.distribution of electrons is 2,8,5

1) It's valency is 1.
distribution of electrons is 2,8,18,7
2) It's valency is 3.
distribution of electrons is 2,8,5