Chemistry, asked by gagusimran, 1 year ago

Which of the following pairs of atomic numbers represents only representative elements?
1) 55,12,48,53
2) 13,23,54,83
3) 3,33,53,87
4)22,33,55,66

Answers

Answered by mariya99

2

3 rd option is correct

gagusimran: Reason?

Previous Question

Next Question

Similar questions

Math, 7 months ago

The ages of two persons A and B are in the ratio 36 years and 42 years respectively. Find the ratio between their ages a. 6 years ago b. 10 years hence...

English, 7 months ago

गीता एक बुरी लड़की है इंग्लिश सेंटेंस...

Science, 7 months ago

READ THE LABEL VERY CAREFULLY WHILE TAKING MEDICINE. WHY...

Math, 1 year ago

Find the differential equation for the family of the curves represented by y²=a(b+x)(b-x) (a, b arbitrary constant).

Math, 1 year ago

$Find x ∈ R if A=\left[\begin{array}{ccc}5x&10\\8&7\end{array}\right] and | A |=25.$ ...

Social Sciences, 1 year ago

the human beings who first appeared on the earth planet are known as...

Math, 1 year ago

If p(4,-2) is midpoint of line segment joining the points A(5k,3) and b(-k,-7) find value of k...

English, 1 year ago

Why did teddy henfrey enter the parlour when griifen was. Sitting...