CHM 101 EXAMS

1. Which of the following has a positive charge?

(A) proton

(B) neutron

(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

3. What is the formula of the compound formed between magnesium and oxygen?

A MgO

B Mg2O2

C Mg2O3

D MgO2

3. Which one of the following statements concerning elements in the Periodic Table is

correct?

A Elements of the same group all have the same number of electrons in the outermost

occupied electron shell.

B Elements of Group 16 occur as cations in ionic compounds.

C Oxides of elements in Groups 16 and 17 are basic.

D The halogens are all gases at room temperature.

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APA

Frontiers, E. (2023). CHM 101 EXAMS. Afribary. Retrieved from https://tracking.afribary.com/works/chm-101-exams

MLA 8th

Frontiers, Edu "CHM 101 EXAMS" Afribary. Afribary, 14 Feb. 2023, https://tracking.afribary.com/works/chm-101-exams. Accessed 22 Dec. 2024.

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Chicago

Frontiers, Edu . "CHM 101 EXAMS" Afribary (2023). Accessed December 22, 2024. https://tracking.afribary.com/works/chm-101-exams