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Duplicate of Duplicate of Atoms & Periodic Table Flashcards | StudBud
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Duplicate of Duplicate of Atoms & Periodic Table
Duplicate of Duplicate of Atoms & Periodic Table
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Questions
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Answers
1
Which of these represents a
highly reactive
atom?
Model B
Model A
2
Which of these represents a stable atom that does not react?
b
c
a
3
Which subatomic particle in this atom can be used to
identify
the element?
protons
electrons
neutrons
quarks
4
The atomic mass of Neon is 20.180. Which subatomic particles give this atom its
mass
?
Neutrons
Protons
Protons and electrons
Protons and neutrons
5
How many
valence electrons
are in an atom of Silicon (Si)?
18
28
4
14
6
Phosphorus, arsenic, and bismuth are in the same...
Group with same energy levels, different reactivity
Groupwith similar reactivity, same valence electrons
Period with similar reactivity, same valence electrons
7
What is the electrical charge of the
nucleus
of this atom?
-10
+10
-9
+9
8
Which sample is most likely a
metal
?
Sample 1
Sample 2
Sample 3
Sample 4
9
To what
period
does Magnesium (Mg) belong?
12
2
3
2A
10
Which element has the
same chemical properties
as Neon (Ne)?
Helium
Fluorine
Chlorine
11
How many
electrons
does Beryllium have?
5
4
13
9
12
How many
electrons
are in an atom of Zirconium (Zr)?
91
40
4
13
Which elements have similar characteristics?
ScandiumandZirconium
TitaniumandVanadium
Titanium and Zirconium
Scandium and Titanium
14
Based on this image, which elements have similar properties?
Neon and Argon
Oxygen and Helium
Sulfur and Chlorine
Oxygen and Neon
15
This Bohr model represents an atom of what element?
Gold
Magnesium
Vanadium
Sodium
16
How many
neutrons
does Beryllium have?
5
4
13
9
17
What is the mass number of this atom?
12
34
23
11
