FORM 2 CHEM- ATOMIC STRUCTURE

ONLINE TEST SERIES

ATOMIC STRUCTURE

1.	Electrons are found…

 A. in the nucleus of an atom

 B. in shells orbiting the nucleus

 C. dotted throughout the atom

 D. in lines radiating out from the nucleus

2.	What is the maximum number of electrons in the first shell?

 A. 2

 B. 3

 C. 8

 D. 1

3.	What is the maximum number of electrons in the second shell?

 A. 2

 B. 3

 C. 8

 D. 1

4. What is the electron configuration of the element lithium?

 A. 2,2

 B. 2,8

 C. 2,1

 D. 2,8,1

5.	Which element has the electron configuration 2,4?

 A. Sodium

 B. Potassium

 C. Neon

  D. Carbon

6.	Which element has the electron configuration 2,8,7?

 A. Fluorine

 B. Argon

 C. Chlorine

 D. Magnesium

7.	Which of the following is not an electron configuration for an element in group 8?

 A. 2

 B. 2,8

 C. 2,8,2

 D. 2,8,8

8.	What is the electronic configuration for an Na+ ion?

 A. 2,8,7

 B. 2,8,8

 C. 2,7

 D. 2,8

9.	What is the electronic configuration for an Al 3+ ion?

 A. 2,8,8

 B. 2,8,7

 C. 2,8

 D. 2,7

10.	What is the electronic configuration for an O2- ion?

 A. 2,7

 B. 2,8

 C. 2

 D. 2,8,2

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