CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

The atomic number of an element is 20. In modern periodic table, this element is placed in _______ .



A

3rd period

loader
B

2nd period

loader
C

1st period

loader
D

4th period

loader

Solution

The correct option is C

4th period


The element having atomic number 20 is placed in the Group IIA and 4th period of the periodic table. The element is Calcium, Ca.


Chemistry

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image