1. Which of the following has a positive charge?
(A) proton
(B) neutron
(C) anion
(D) electron ANS = A
2. How many electrons are there in the valence shell of the O2– ion?
A 2
B 8
C 10
D 16 ANS = B
3. What is the formula of the compound formed between magnesium and oxygen?
A MgO
B Mg2O2
C Mg2O3
D MgO2 ANS = A
3. Which one of the following statements concerning elements in the Periodic Table is correct?
Frontiers, E. (2023). CHM 101: NEW EXAM QUESTIONS. Afribary. Retrieved from https://afribary.com/works/chm-101-new-exam-questions
Frontiers, Edu "CHM 101: NEW EXAM QUESTIONS" Afribary. Afribary, 14 Feb. 2023, https://afribary.com/works/chm-101-new-exam-questions. Accessed 17 May. 2024.
Frontiers, Edu . "CHM 101: NEW EXAM QUESTIONS". Afribary, Afribary, 14 Feb. 2023. Web. 17 May. 2024. < https://afribary.com/works/chm-101-new-exam-questions >.
Frontiers, Edu . "CHM 101: NEW EXAM QUESTIONS" Afribary (2023). Accessed May 17, 2024. https://afribary.com/works/chm-101-new-exam-questions