Q. 585.0( 2 Votes )
An atom has the e
Answer :
(a) The election structure is (2,7) so we have to add these electrons to get the atomic number. Therefore the atomic number is 9.
(b) Chlorine which has atomic number 17 is chemically similar.
(c) They expect to be similar because both have same number of valence electron 7.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Classification of Acid44 mins
Classification of Base55 mins
Extraction of Metal56 mins
Outcomes of Democracy43 mins
What is Refraction of Light?46 mins
Purification of Metals60 mins
Application of Trigo Important Questions44 mins
Trigonometric Ratios of Specified Angles38 mins
Sum of n Terms of AP56 mins
Arithmetic Progression and 'nth' Term of AP55 mins




















Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation

