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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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#periodic table
Flashcards
17 cards
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Questions
17
Answers
1
Electrons are...
Negative
Weightless
The reason for bonds
Energy
2
The ATOMIC MASS is the weight of the
electrons & protons
neutrons & electrons
protons & neutrons
3
Electrons have a "______________" charge
positive
it depends
negative
neutral
4
Who is considered as the "father of the Periodic table"?
Bohr
Thompson
Bill Gates
Mendeleev
5
The nucleus of an atom is composed of...
unicorns & fairy dust
electrons & neutrons
protons & electrons
protons & neutrons
6
The ATOMIC NUMBER indicates the number of;
neutrons
atoms
electrons
protons
7
The shells/orbitals of an atom contain the...
electrons
protons
positrons
neutrons
8
Protons have a "______________" charge
neutral
it depends
positive
negative
9
Why are the gases in row 8 inactive/inert?
Because their outer electron shell is full
Because they are lazy
Because they are neutral
10
How many electrons in the outermost shell do elements in the 3rd column have?
2
8
0
3
11
Gaining 2 electrons causes a charge of
0
Depends
-2
+2
12
Electrons are
Positive
Negative
Neutral
Interchangeable
13
Neutrons have a "______________" charge
positive
it depends
negative
neutral
14
Losing 3 electrons causes a nuclear charge of
Depends
+3
+2
-3
15
How many electron levels/shells do elements in the 2nd row/period have?
3
1
2
undeterminable
16
Matter is neutral because...
# of neutrons = # of protons
# of electrons = # of neutrons
I said so
# of protons = # of electrons
17
Who discovered that electrons exist in discreet energy levels?
Trump
Bohr
Lewis
Ms. Shields
