Physics, asked by harsh246810, 10 months ago

21. which among the following elements whose atomic number are given below belong to the
Same period? Give the reason
(17,10,20,12,19,15 )

Answers

Answered by aditichaurasia454

2

Answer:

Explanation:

the answer is given below :

Attachments:

Answered by lipu6771

1

Answer:

17=chlorine

10=neon

20=calcium

12=magnesium

19=potassium

15=phosphorus

Previous Question

Next Question

Similar questions

Political Science, 5 months ago

three major problems that India faced after independence...

Math, 5 months ago

find the remainder when ( X + 1/2 ) divdes 2 x^ 3 + 3x ^ 2 - 11x - 3...

Math, 5 months ago

If D and E are respectively the midpoint of sides AB and BC of ΔABC in which AB= 7.2cm, BC=9.8cm and AC= 3.6 cm,then determine the length of DE.

Math, 10 months ago

from the top of lighthouse 60mts height with it's base at sea level.the angle of depression of the boat is 15 degrees.The distance of the boat from the foot of lighthouse is...

English, 10 months ago

write a story based on the pictures. above in 4 paragraphs ...

Math, 1 year ago

is circumference of circle equal to perimeter of circle?

Math, 1 year ago

What will happen to the area of a square if it's side is increased by half of it...

Physics, 1 year ago

two point masses M and 3M are placed at a distance apart. Another point mass m is placed in between on the line joining them so that the net gravitational force acting on it due to masses M and 3M is zero. Find the magnitude of gravitational force due to mass M on mass m.