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Periodic Table and Atoms Flashcards | StudBud
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Periodic Table and Atoms
Periodic Table and Atoms
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atoms, periodic table
Flashcards
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Questions
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Answers
1
The vertical column of elements in the periodic table is called a(n)
atomic mass
period
group
semiconductor
2
Which letter is pointing to the nucleus?
C
B
A
D
3
Which letter is pointing to a neutron?
A
C
D
B
4
APPROXIMATELY how many elements are in the periodic table?
72
100
168
200
5
The horizontal row on the periodic table is called a(n)
family
group
period
atomic number
6
What does the number at the top of the square above tell you about carbon?
a carbon nucleus has 6 protons
carbon has 6 isotopes
carbon has an average atomic mass of 6
a carbon atom has 6 electrons in its outermost energy level
7
Which statement about Cobalt and Nickel is true?
cobalt and nickel belong to the same group
cobalt atoms have more electrons
Nickel has a greater atomic mass
Nickel atoms have more protons
8
An atom of gold with 79 protons, 79 electrons, and 118 neutrons would have an atomic mass of:
276
158
197
39
9
Which letter is pointing to a proton?
A
C
B
D
10
Which element does not fit into any group and has no neutrons?
Helium
Hydrogen
Holmium
Hafnium
11
Which letter is pointing to an electron?
B
C
D
A
12
Which letter is pointing to a particle with no charge?
C
B
D
A
13
Elements in the periodic table are arranged by:
atomic number
color
atomic mass
number of neutrons
