Four elements $A, B, C$ and $D$ have atomic numbers 12,13,14 and 15 respectively.
What is/are valency(ies) of $D$ ?

Open in App

Solution

Configuration of $D = 2, 8, 5$
So valency of $D$ is $3$ and $5$

Suggest Corrections

Similar questions

Q. Four elements A,B,C and D have atomic numbers 12,13,14 and 15 respectively.
Which of them will have largest atomic radii?

Q. Four elements A,B,C and D have atomic numbers 12,13,14 and 15 respectively.
Which of these elements will form the most basic oxide?

The atomic numbers of four elements A, B, C and D are 12, 13, 15 and 3 respectively. The element which cannot form a cation is :

(a) A

(b) B

(d) D

Q. The atomic numbers of five elements

A, B, C, D

and

E

are

6, 8, 3, 7

and

9

respectively.
What is your conclusion about the relationship between metallic character and electro positive of an element?

The atomic numbers fo four elements A, B, C and D are 6, 8, 10 and 12 respectively. The elements which can react to form ionic bonds (or ionic compound) are:
(a) A and D

(b) B and C

(d) B and D

Join BYJU'S Learning Program

Four elements A, B, C and D have atomic numbers 12,13,14 and 15 respectively.What is/are valency(ies) of D?

Configuration of D=2,8,5So valency of D is 3 and 5

Four elements $A, B, C$ and $D$ have atomic numbers 12,13,14 and 15 respectively.
What is/are valency(ies) of $D$ ?

Configuration of $D = 2, 8, 5$
So valency of $D$ is $3$ and $5$