Chemistry Atomic Structure mock test 2 100 Questions                        100 Minutes Atomic Structure Practice Test 1 | Mock Test 2 | Mock Test 3 |

Chemistry Atomic Structure mock test 1 100 Questions                        100 Minutes Atomic Structure Practice Test 2 | Practice Test 3 |

Fundamentals: 1. A substance Consisting of only one kind of atoms is called “an Element” . 2. The concept of elements was introduced by Robert Boyle 3. For elements the concept of symbols was developed by Berzelius. 4. At present around 118 elements are known 5. Among these 94 are natural, and the remaining are […]

NTA UGC JRF NET previous year question paper and Key Exam held on December 2004 Q1. Discussion Method can be used when: (A) The topic is very difficult (B) The topic is easy (C) The topic is difficult (D) All of the above Answer: C There are different types of teaching methods which can be […]