Pak Navy Initial Test Past Papers MCQS Solved pdf

Pak Navy Initial Test Past Papers MCQS Solved pdf 2021 for preparation, pak navy past papers pdf ,pak navy intelligence test mcqs, pak navy ...
Read More

9th Class notes of chemistry chapter 3

9th Class notes of chemistry chapter 3 MCQs and Short Questions

In nineteenth century attempts were made to arrange elements in a systematic manner.

Dobereiner arranged elements in a group of three called triads.

Online MCQS Practice Tests

Multiple Choice Questions Tests With Answers,Online Free Tests for Entry Tests and Exams Preparation of Jobs. This website Page is particularly designed for Online ...
Read More

Newlands arranged elements in groups of eight like musical notes.

Mendeleev constructed Periodic Table containing periods and columns, by arranging elements in order of increasing atomic weights.

There are total eighteen groups and seven periods in the modern Periodic Table.

Depending on outermost electrons and electronic configuration, element in periodic table are grouped in s, p, d and f blocks.

Atomic size increases down a group but decreases along the period .

Ionization energy decreases down a group but increases along a period.

Shielding effect is greater in atoms with greater number of electrons.

Electronegativity increases along a period and decreases down the group. Unit-4

Pakistan Studies MCQs

Pakistan Studies Past MCQs, Pak Study Entry Test MCQs Papers, Pakistan Studies Objective Type Notes for Tests Exams ...
Read More

Islamic Studies MCQs

Islamiat Solved MCQs Notes Past Papers Islamic Studies,Islamiat,Islamyat Past MCQs Notes for Preparation of Examinations PPSC Islamic Studies ...
Read More
error: Content is protected !!