Atomic Theory And The Periodic Table Worksheet With Answers Page 2
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17Use the following information to answer question 7
7. Which is the correct arrangement of subatomic particles in the neutral atom of the element shown above?
Element
Subatomic particles
a.
Fluorine
9 protons, 10 neutrons
8. Which of the following is the symbol for boron with a mass number of 11?
D
9. Which of the following describes an ion of chlorine?
a) 20 neutrons and 17 electrons
b) 20 neutrons and 18 electrons
c) 37 neutrons and 17 electrons
d) 37 neutrons and 18 electrons
10. Noble Gases react easily with other elements.
a) True
b) False
11. Alkali metals react to form ions with a charge of +1.
a) True
b) False
−
12. What is the name of the reactive family of elements that form 1
ions?
a) halogens
b) noble gases
c) alkali metals
d) alkaline earth metals
13. F
is an example of a diatomic molecule
2
a) True
b) False
14. Which of the following Lewis diagrams represents an oxygen atom?
a) I
b) II
c) III
d) IV
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