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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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Answers
1
An atom of Calcium has a mass number of 38. How many neutrons does the atom have?
38
58
20
18
2
An isotope of Zn has a mass number of 40. How many
electrons
does this isotope have?
40
10
20
30
3
Which element is considered a metalloid?
Germanium
Zinc
Aluminum
Bromine
4
What is the chemical symbol of Iron?
I
F
Ir
Fe
5
Which is the chemical symbol of Beryllium?
Be
Bi
Ba
B
6
How many protons does an atom of Arsenic have?
50
33
13
11
7
Ag is the chemical symbol for which element?
Silver
Arsenic
Argon
Gold
8
Which elements are alkali earth metals?
Be, Mg, Ca
He, Ne, Ar
H, Li, Na
F, Cl, Br
9
Cu has two isotopes.
63
Cu and
65
Cu. Which isotope is found in more abundance?
65Cu
63Cu
10
What is the atomic number of Nitrogen?
5
7
8
6
11
Which element is in Group 2?
Mg
Co
He
C
12
Which element is in Period 5?
V
Ne
Mo
P
