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Unit 1 Part 1
Test Description: Periodic table
Instructions: Answer all questions to get your test result.
1) 1. According to the periodic table, which statement correctly describes the change from a neutral atom of an element to its ion?
A
A fluorine atom forms a F1- ion by losing one electron.
B
A phosphorus atom forms a P3- ion by gaining three electrons
C
A magnesium atom forms a Mg2+ ion by gaining two electrons.
D
A sodium atom forms a Na1+ ion by losing two electrons.
2) Which of the following is NOT a property of sodium?
A
Symbol is Na
B
Is a transition metal
C
Atomic number is 11
D
Has one valence electron
3) Using the Periodic Table, Iodine (I) would have chemical properties most like
A
chlorine (Cl)
B
manganese (Mn)
C
tellurium (Te
D
xenon (Xe)
4) Which of the following pairs of atoms is unlikely to form a compound?
A
neon (Ne) and argon (Ar)
B
calcium (Ca) and chlorine (Cl)
C
potassium (K) and iodine (I)
D
magnesium (Mg) and sulfur (S)
5) According to the periodic table, the neutral atom of what element has 4 protons, 5 neutrons, and 4 electrons?
A
fluorine
B
beryllium
C
boron
D
aluminum
6) The elements neon and argon are NOT reactive. Which hypothesis BEST explains this?
A
They are not stable atoms.
B
They have the maximum possible number of electrons in their outermost shell
C
They are not readily available on Earth
D
They tend to give up all of their valence electrons easily.
7) Which group forms 2+ ions?
A
Group 17
B
Group 1
C
Group 16
D
Group 2
8) All atoms of Oxygen have....
A
a mass of 16
B
8 protons
C
8 electrons
D
8 neutrons
9) An ion of Chlorine has 18 electrons, 17 protons and 19 neutrons. What is its atomic number?
A
36
B
17
C
19
D
18
10) Which of these elements is a nonmetal?
A
Sodium
B
Nitrogen
C
Tin
D
Bismuth
*select an answer for all questions
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